Home / 781,325.04-1,165,419.12-709,569.60

Finding the Fourth Proportional to 781,325.04, 1,165,419.12 and 709,569.60

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Solution

The fourth proportional to 781,325.04, 1,165,419.12 and 709,569.60 is: 1,058,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,325.04 : 1,165,419.12 = 709,569.60 : x
  2. Step 2: Convert to fraction form
    781,325.04/1,165,419.12 = 709,569.60/x
  3. Step 3: Cross multiply
    781,325.04x = 1,165,419.12 × 709,569.60
  4. Step 4: Simplify right side
    781,325.04x = 826,945,978,810.75
  5. Step 5: Solve for x
    x = 826,945,978,810.75/781,325.04
  6. Step 6: Final answer
    x = 1,058,389.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.