Home / 749,384.28-1,034,174.97-409,852.53

Finding the Fourth Proportional to 749,384.28, 1,034,174.97 and 409,852.53

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Solution

The fourth proportional to 749,384.28, 1,034,174.97 and 409,852.53 is: 565,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,384.28 : 1,034,174.97 = 409,852.53 : x
  2. Step 2: Convert to fraction form
    749,384.28/1,034,174.97 = 409,852.53/x
  3. Step 3: Cross multiply
    749,384.28x = 1,034,174.97 × 409,852.53
  4. Step 4: Simplify right side
    749,384.28x = 423,859,227,917.17
  5. Step 5: Solve for x
    x = 423,859,227,917.17/749,384.28
  6. Step 6: Final answer
    x = 565,609.98

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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.