Home / 791,729.40-1,092,557.30-429,145.48

Finding the Fourth Proportional to 791,729.40, 1,092,557.30 and 429,145.48

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Solution

The fourth proportional to 791,729.40, 1,092,557.30 and 429,145.48 is: 592,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,729.40 : 1,092,557.30 = 429,145.48 : x
  2. Step 2: Convert to fraction form
    791,729.40/1,092,557.30 = 429,145.48/x
  3. Step 3: Cross multiply
    791,729.40x = 1,092,557.30 × 429,145.48
  4. Step 4: Simplify right side
    791,729.40x = 468,866,026,936.00
  5. Step 5: Solve for x
    x = 468,866,026,936.00/791,729.40
  6. Step 6: Final answer
    x = 592,204.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.