Home / 730,464.02-1,008,021.01-408,176.76

Finding the Fourth Proportional to 730,464.02, 1,008,021.01 and 408,176.76

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Solution

The fourth proportional to 730,464.02, 1,008,021.01 and 408,176.76 is: 563,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,464.02 : 1,008,021.01 = 408,176.76 : x
  2. Step 2: Convert to fraction form
    730,464.02/1,008,021.01 = 408,176.76/x
  3. Step 3: Cross multiply
    730,464.02x = 1,008,021.01 × 408,176.76
  4. Step 4: Simplify right side
    730,464.02x = 411,450,749,873.73
  5. Step 5: Solve for x
    x = 411,450,749,873.73/730,464.02
  6. Step 6: Final answer
    x = 563,273.12

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.