Home / 779,279.40-1,168,919.10-732,040.20

Finding the Fourth Proportional to 779,279.40, 1,168,919.10 and 732,040.20

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Solution

The fourth proportional to 779,279.40, 1,168,919.10 and 732,040.20 is: 1,098,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,279.40 : 1,168,919.10 = 732,040.20 : x
  2. Step 2: Convert to fraction form
    779,279.40/1,168,919.10 = 732,040.20/x
  3. Step 3: Cross multiply
    779,279.40x = 1,168,919.10 × 732,040.20
  4. Step 4: Simplify right side
    779,279.40x = 855,695,771,747.82
  5. Step 5: Solve for x
    x = 855,695,771,747.82/779,279.40
  6. Step 6: Final answer
    x = 1,098,060.30

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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.