Home / 938,402.29-1,294,981.46-530,490.57

Finding the Fourth Proportional to 938,402.29, 1,294,981.46 and 530,490.57

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Solution

The fourth proportional to 938,402.29, 1,294,981.46 and 530,490.57 is: 732,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,402.29 : 1,294,981.46 = 530,490.57 : x
  2. Step 2: Convert to fraction form
    938,402.29/1,294,981.46 = 530,490.57/x
  3. Step 3: Cross multiply
    938,402.29x = 1,294,981.46 × 530,490.57
  4. Step 4: Simplify right side
    938,402.29x = 686,975,454,619.81
  5. Step 5: Solve for x
    x = 686,975,454,619.81/938,402.29
  6. Step 6: Final answer
    x = 732,069.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.