Home / 914,652.30-1,371,978.45-283,629.90

Finding the Fourth Proportional to 914,652.30, 1,371,978.45 and 283,629.90

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Solution

The fourth proportional to 914,652.30, 1,371,978.45 and 283,629.90 is: 425,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,652.30 : 1,371,978.45 = 283,629.90 : x
  2. Step 2: Convert to fraction form
    914,652.30/1,371,978.45 = 283,629.90/x
  3. Step 3: Cross multiply
    914,652.30x = 1,371,978.45 × 283,629.90
  4. Step 4: Simplify right side
    914,652.30x = 389,134,110,575.66
  5. Step 5: Solve for x
    x = 389,134,110,575.66/914,652.30
  6. Step 6: Final answer
    x = 425,444.85

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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.