Home / 971,452.60-1,457,301.12-521,555.20

Finding the Fourth Proportional to 971,452.60, 1,457,301.12 and 521,555.20

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Solution

The fourth proportional to 971,452.60, 1,457,301.12 and 521,555.20 is: 782,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,452.60 : 1,457,301.12 = 521,555.20 : x
  2. Step 2: Convert to fraction form
    971,452.60/1,457,301.12 = 521,555.20/x
  3. Step 3: Cross multiply
    971,452.60x = 1,457,301.12 × 521,555.20
  4. Step 4: Simplify right side
    971,452.60x = 760,062,977,101.82
  5. Step 5: Solve for x
    x = 760,062,977,101.82/971,452.60
  6. Step 6: Final answer
    x = 782,398.42

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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.