Home / 915,008.49-1,372,601.43-283,752.81

Finding the Fourth Proportional to 915,008.49, 1,372,601.43 and 283,752.81

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Solution

The fourth proportional to 915,008.49, 1,372,601.43 and 283,752.81 is: 425,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,008.49 : 1,372,601.43 = 283,752.81 : x
  2. Step 2: Convert to fraction form
    915,008.49/1,372,601.43 = 283,752.81/x
  3. Step 3: Cross multiply
    915,008.49x = 1,372,601.43 × 283,752.81
  4. Step 4: Simplify right side
    915,008.49x = 389,479,512,772.52
  5. Step 5: Solve for x
    x = 389,479,512,772.52/915,008.49
  6. Step 6: Final answer
    x = 425,656.72

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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.