Home / 781,251.05-1,169,541.77-472,568.87

Finding the Fourth Proportional to 781,251.05, 1,169,541.77 and 472,568.87

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Solution

The fourth proportional to 781,251.05, 1,169,541.77 and 472,568.87 is: 707,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,251.05 : 1,169,541.77 = 472,568.87 : x
  2. Step 2: Convert to fraction form
    781,251.05/1,169,541.77 = 472,568.87/x
  3. Step 3: Cross multiply
    781,251.05x = 1,169,541.77 × 472,568.87
  4. Step 4: Simplify right side
    781,251.05x = 552,689,032,666.70
  5. Step 5: Solve for x
    x = 552,689,032,666.70/781,251.05
  6. Step 6: Final answer
    x = 707,441.01

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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.