Home / 763,586.61-1,053,720.65-424,076.73

Finding the Fourth Proportional to 763,586.61, 1,053,720.65 and 424,076.73

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Solution

The fourth proportional to 763,586.61, 1,053,720.65 and 424,076.73 is: 585,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,586.61 : 1,053,720.65 = 424,076.73 : x
  2. Step 2: Convert to fraction form
    763,586.61/1,053,720.65 = 424,076.73/x
  3. Step 3: Cross multiply
    763,586.61x = 1,053,720.65 × 424,076.73
  4. Step 4: Simplify right side
    763,586.61x = 446,858,407,585.47
  5. Step 5: Solve for x
    x = 446,858,407,585.47/763,586.61
  6. Step 6: Final answer
    x = 585,209.85

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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.