Home / 702,938.60-1,054,407.90-514,932.20

Finding the Fourth Proportional to 702,938.60, 1,054,407.90 and 514,932.20

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Solution

The fourth proportional to 702,938.60, 1,054,407.90 and 514,932.20 is: 772,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,938.60 : 1,054,407.90 = 514,932.20 : x
  2. Step 2: Convert to fraction form
    702,938.60/1,054,407.90 = 514,932.20/x
  3. Step 3: Cross multiply
    702,938.60x = 1,054,407.90 × 514,932.20
  4. Step 4: Simplify right side
    702,938.60x = 542,948,579,644.38
  5. Step 5: Solve for x
    x = 542,948,579,644.38/702,938.60
  6. Step 6: Final answer
    x = 772,398.30

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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.