Home / 711,832.80-1,068,008.40-291,410.40

Finding the Fourth Proportional to 711,832.80, 1,068,008.40 and 291,410.40

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Solution

The fourth proportional to 711,832.80, 1,068,008.40 and 291,410.40 is: 437,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,832.80 : 1,068,008.40 = 291,410.40 : x
  2. Step 2: Convert to fraction form
    711,832.80/1,068,008.40 = 291,410.40/x
  3. Step 3: Cross multiply
    711,832.80x = 1,068,008.40 × 291,410.40
  4. Step 4: Simplify right side
    711,832.80x = 311,228,755,047.36
  5. Step 5: Solve for x
    x = 311,228,755,047.36/711,832.80
  6. Step 6: Final answer
    x = 437,221.71

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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.