Home / 749,123.50-1,033,790.43-409,591.75

Finding the Fourth Proportional to 749,123.50, 1,033,790.43 and 409,591.75

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Solution

The fourth proportional to 749,123.50, 1,033,790.43 and 409,591.75 is: 565,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.50 : 1,033,790.43 = 409,591.75 : x
  2. Step 2: Convert to fraction form
    749,123.50/1,033,790.43 = 409,591.75/x
  3. Step 3: Cross multiply
    749,123.50x = 1,033,790.43 × 409,591.75
  4. Step 4: Simplify right side
    749,123.50x = 423,432,031,356.95
  5. Step 5: Solve for x
    x = 423,432,031,356.95/749,123.50
  6. Step 6: Final answer
    x = 565,236.62

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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.