Home / 898,404.40-1,347,278.55-299,385.10

Finding the Fourth Proportional to 898,404.40, 1,347,278.55 and 299,385.10

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Solution

The fourth proportional to 898,404.40, 1,347,278.55 and 299,385.10 is: 448,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,404.40 : 1,347,278.55 = 299,385.10 : x
  2. Step 2: Convert to fraction form
    898,404.40/1,347,278.55 = 299,385.10/x
  3. Step 3: Cross multiply
    898,404.40x = 1,347,278.55 × 299,385.10
  4. Step 4: Simplify right side
    898,404.40x = 403,355,123,419.61
  5. Step 5: Solve for x
    x = 403,355,123,419.61/898,404.40
  6. Step 6: Final answer
    x = 448,968.33

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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.