Home / 985,575.40-1,478,363.10-237,621.40

Finding the Fourth Proportional to 985,575.40, 1,478,363.10 and 237,621.40

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Solution

The fourth proportional to 985,575.40, 1,478,363.10 and 237,621.40 is: 356,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,575.40 : 1,478,363.10 = 237,621.40 : x
  2. Step 2: Convert to fraction form
    985,575.40/1,478,363.10 = 237,621.40/x
  3. Step 3: Cross multiply
    985,575.40x = 1,478,363.10 × 237,621.40
  4. Step 4: Simplify right side
    985,575.40x = 351,290,709,530.34
  5. Step 5: Solve for x
    x = 351,290,709,530.34/985,575.40
  6. Step 6: Final answer
    x = 356,432.10

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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.