Home / 912,818.10-1,369,227.15-247,970.10

Finding the Fourth Proportional to 912,818.10, 1,369,227.15 and 247,970.10

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Solution

The fourth proportional to 912,818.10, 1,369,227.15 and 247,970.10 is: 371,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,818.10 : 1,369,227.15 = 247,970.10 : x
  2. Step 2: Convert to fraction form
    912,818.10/1,369,227.15 = 247,970.10/x
  3. Step 3: Cross multiply
    912,818.10x = 1,369,227.15 × 247,970.10
  4. Step 4: Simplify right side
    912,818.10x = 339,527,393,308.22
  5. Step 5: Solve for x
    x = 339,527,393,308.22/912,818.10
  6. Step 6: Final answer
    x = 371,955.15

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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.