Home / 709,862.71-1,063,716.66-520,449.17

Finding the Fourth Proportional to 709,862.71, 1,063,716.66 and 520,449.17

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Solution

The fourth proportional to 709,862.71, 1,063,716.66 and 520,449.17 is: 779,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,862.71 : 1,063,716.66 = 520,449.17 : x
  2. Step 2: Convert to fraction form
    709,862.71/1,063,716.66 = 520,449.17/x
  3. Step 3: Cross multiply
    709,862.71x = 1,063,716.66 × 520,449.17
  4. Step 4: Simplify right side
    709,862.71x = 553,610,452,812.17
  5. Step 5: Solve for x
    x = 553,610,452,812.17/709,862.71
  6. Step 6: Final answer
    x = 779,883.84

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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.