Home / 749,040.53-1,033,680.60-404,875.76

Finding the Fourth Proportional to 749,040.53, 1,033,680.60 and 404,875.76

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Solution

The fourth proportional to 749,040.53, 1,033,680.60 and 404,875.76 is: 558,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,040.53 : 1,033,680.60 = 404,875.76 : x
  2. Step 2: Convert to fraction form
    749,040.53/1,033,680.60 = 404,875.76/x
  3. Step 3: Cross multiply
    749,040.53x = 1,033,680.60 × 404,875.76
  4. Step 4: Simplify right side
    749,040.53x = 418,512,213,353.85
  5. Step 5: Solve for x
    x = 418,512,213,353.85/749,040.53
  6. Step 6: Final answer
    x = 558,731.07

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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.