Home / 912,827.70-1,369,435.95-281,805.30

Finding the Fourth Proportional to 912,827.70, 1,369,435.95 and 281,805.30

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Solution

The fourth proportional to 912,827.70, 1,369,435.95 and 281,805.30 is: 422,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,827.70 : 1,369,435.95 = 281,805.30 : x
  2. Step 2: Convert to fraction form
    912,827.70/1,369,435.95 = 281,805.30/x
  3. Step 3: Cross multiply
    912,827.70x = 1,369,435.95 × 281,805.30
  4. Step 4: Simplify right side
    912,827.70x = 385,914,308,720.54
  5. Step 5: Solve for x
    x = 385,914,308,720.54/912,827.70
  6. Step 6: Final answer
    x = 422,767.96

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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.