Home / 788,545.08-1,088,191.20-425,968.80

Finding the Fourth Proportional to 788,545.08, 1,088,191.20 and 425,968.80

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Solution

The fourth proportional to 788,545.08, 1,088,191.20 and 425,968.80 is: 587,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,545.08 : 1,088,191.20 = 425,968.80 : x
  2. Step 2: Convert to fraction form
    788,545.08/1,088,191.20 = 425,968.80/x
  3. Step 3: Cross multiply
    788,545.08x = 1,088,191.20 × 425,968.80
  4. Step 4: Simplify right side
    788,545.08x = 463,535,499,634.56
  5. Step 5: Solve for x
    x = 463,535,499,634.56/788,545.08
  6. Step 6: Final answer
    x = 587,836.40

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Double scale
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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.