Home / 899,104.04-1,348,850.46-478,318.76

Finding the Fourth Proportional to 899,104.04, 1,348,850.46 and 478,318.76

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Solution

The fourth proportional to 899,104.04, 1,348,850.46 and 478,318.76 is: 717,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,104.04 : 1,348,850.46 = 478,318.76 : x
  2. Step 2: Convert to fraction form
    899,104.04/1,348,850.46 = 478,318.76/x
  3. Step 3: Cross multiply
    899,104.04x = 1,348,850.46 × 478,318.76
  4. Step 4: Simplify right side
    899,104.04x = 645,180,479,452.63
  5. Step 5: Solve for x
    x = 645,180,479,452.63/899,104.04
  6. Step 6: Final answer
    x = 717,581.56

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Double scale
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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.