Home / 749,492.40-1,034,008.98-477,511.58

Finding the Fourth Proportional to 749,492.40, 1,034,008.98 and 477,511.58

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Solution

The fourth proportional to 749,492.40, 1,034,008.98 and 477,511.58 is: 658,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,492.40 : 1,034,008.98 = 477,511.58 : x
  2. Step 2: Convert to fraction form
    749,492.40/1,034,008.98 = 477,511.58/x
  3. Step 3: Cross multiply
    749,492.40x = 1,034,008.98 × 477,511.58
  4. Step 4: Simplify right side
    749,492.40x = 493,751,261,773.99
  5. Step 5: Solve for x
    x = 493,751,261,773.99/749,492.40
  6. Step 6: Final answer
    x = 658,780.88

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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.