Home / 709,276.20-1,061,322.30-522,652.20

Finding the Fourth Proportional to 709,276.20, 1,061,322.30 and 522,652.20

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Solution

The fourth proportional to 709,276.20, 1,061,322.30 and 522,652.20 is: 782,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,276.20 : 1,061,322.30 = 522,652.20 : x
  2. Step 2: Convert to fraction form
    709,276.20/1,061,322.30 = 522,652.20/x
  3. Step 3: Cross multiply
    709,276.20x = 1,061,322.30 × 522,652.20
  4. Step 4: Simplify right side
    709,276.20x = 554,702,435,004.06
  5. Step 5: Solve for x
    x = 554,702,435,004.06/709,276.20
  6. Step 6: Final answer
    x = 782,068.30

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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.