Home / 935,008.30-1,402,512.45-303,985.90

Finding the Fourth Proportional to 935,008.30, 1,402,512.45 and 303,985.90

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Solution

The fourth proportional to 935,008.30, 1,402,512.45 and 303,985.90 is: 455,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,008.30 : 1,402,512.45 = 303,985.90 : x
  2. Step 2: Convert to fraction form
    935,008.30/1,402,512.45 = 303,985.90/x
  3. Step 3: Cross multiply
    935,008.30x = 1,402,512.45 × 303,985.90
  4. Step 4: Simplify right side
    935,008.30x = 426,344,009,374.46
  5. Step 5: Solve for x
    x = 426,344,009,374.46/935,008.30
  6. Step 6: Final answer
    x = 455,978.85

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Double scale
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Similar ratio
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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.