Home / 779,819.40-1,169,729.10-732,580.20

Finding the Fourth Proportional to 779,819.40, 1,169,729.10 and 732,580.20

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Solution

The fourth proportional to 779,819.40, 1,169,729.10 and 732,580.20 is: 1,098,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,819.40 : 1,169,729.10 = 732,580.20 : x
  2. Step 2: Convert to fraction form
    779,819.40/1,169,729.10 = 732,580.20/x
  3. Step 3: Cross multiply
    779,819.40x = 1,169,729.10 × 732,580.20
  4. Step 4: Simplify right side
    779,819.40x = 856,920,378,023.82
  5. Step 5: Solve for x
    x = 856,920,378,023.82/779,819.40
  6. Step 6: Final answer
    x = 1,098,870.30

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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.