Home / 787,500.05-1,181,250.08-433,206.05

Finding the Fourth Proportional to 787,500.05, 1,181,250.08 and 433,206.05

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Solution

The fourth proportional to 787,500.05, 1,181,250.08 and 433,206.05 is: 649,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,500.05 : 1,181,250.08 = 433,206.05 : x
  2. Step 2: Convert to fraction form
    787,500.05/1,181,250.08 = 433,206.05/x
  3. Step 3: Cross multiply
    787,500.05x = 1,181,250.08 × 433,206.05
  4. Step 4: Simplify right side
    787,500.05x = 511,724,679,052.95
  5. Step 5: Solve for x
    x = 511,724,679,052.95/787,500.05
  6. Step 6: Final answer
    x = 649,809.08

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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.