Home / 709,863.71-1,063,718.16-520,450.17

Finding the Fourth Proportional to 709,863.71, 1,063,718.16 and 520,450.17

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Solution

The fourth proportional to 709,863.71, 1,063,718.16 and 520,450.17 is: 779,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,863.71 : 1,063,718.16 = 520,450.17 : x
  2. Step 2: Convert to fraction form
    709,863.71/1,063,718.16 = 520,450.17/x
  3. Step 3: Cross multiply
    709,863.71x = 1,063,718.16 × 520,450.17
  4. Step 4: Simplify right side
    709,863.71x = 553,612,297,204.09
  5. Step 5: Solve for x
    x = 553,612,297,204.09/709,863.71
  6. Step 6: Final answer
    x = 779,885.33

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1.5x scale

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.