Home / 912,800.10-1,369,200.15-247,952.10

Finding the Fourth Proportional to 912,800.10, 1,369,200.15 and 247,952.10

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Solution

The fourth proportional to 912,800.10, 1,369,200.15 and 247,952.10 is: 371,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,800.10 : 1,369,200.15 = 247,952.10 : x
  2. Step 2: Convert to fraction form
    912,800.10/1,369,200.15 = 247,952.10/x
  3. Step 3: Cross multiply
    912,800.10x = 1,369,200.15 × 247,952.10
  4. Step 4: Simplify right side
    912,800.10x = 339,496,052,512.82
  5. Step 5: Solve for x
    x = 339,496,052,512.82/912,800.10
  6. Step 6: Final answer
    x = 371,928.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.