Home / 747,830.96-1,121,885.88-242,346.86

Finding the Fourth Proportional to 747,830.96, 1,121,885.88 and 242,346.86

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Solution

The fourth proportional to 747,830.96, 1,121,885.88 and 242,346.86 is: 363,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,830.96 : 1,121,885.88 = 242,346.86 : x
  2. Step 2: Convert to fraction form
    747,830.96/1,121,885.88 = 242,346.86/x
  3. Step 3: Cross multiply
    747,830.96x = 1,121,885.88 × 242,346.86
  4. Step 4: Simplify right side
    747,830.96x = 271,885,520,296.34
  5. Step 5: Solve for x
    x = 271,885,520,296.34/747,830.96
  6. Step 6: Final answer
    x = 363,565.48

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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.