Home / 709,436.34-1,064,528.19-410,127.13

Finding the Fourth Proportional to 709,436.34, 1,064,528.19 and 410,127.13

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Solution

The fourth proportional to 709,436.34, 1,064,528.19 and 410,127.13 is: 615,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,436.34 : 1,064,528.19 = 410,127.13 : x
  2. Step 2: Convert to fraction form
    709,436.34/1,064,528.19 = 410,127.13/x
  3. Step 3: Cross multiply
    709,436.34x = 1,064,528.19 × 410,127.13
  4. Step 4: Simplify right side
    709,436.34x = 436,591,891,368.80
  5. Step 5: Solve for x
    x = 436,591,891,368.80/709,436.34
  6. Step 6: Final answer
    x = 615,406.72

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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.