Home / 748,862.40-1,123,298.40-299,620.80

Finding the Fourth Proportional to 748,862.40, 1,123,298.40 and 299,620.80

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Solution

The fourth proportional to 748,862.40, 1,123,298.40 and 299,620.80 is: 449,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,862.40 : 1,123,298.40 = 299,620.80 : x
  2. Step 2: Convert to fraction form
    748,862.40/1,123,298.40 = 299,620.80/x
  3. Step 3: Cross multiply
    748,862.40x = 1,123,298.40 × 299,620.80
  4. Step 4: Simplify right side
    748,862.40x = 336,563,565,246.72
  5. Step 5: Solve for x
    x = 336,563,565,246.72/748,862.40
  6. Step 6: Final answer
    x = 449,433.12

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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.