Home / 755,609.28-1,042,784.48-433,316.80

Finding the Fourth Proportional to 755,609.28, 1,042,784.48 and 433,316.80

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Solution

The fourth proportional to 755,609.28, 1,042,784.48 and 433,316.80 is: 598,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,609.28 : 1,042,784.48 = 433,316.80 : x
  2. Step 2: Convert to fraction form
    755,609.28/1,042,784.48 = 433,316.80/x
  3. Step 3: Cross multiply
    755,609.28x = 1,042,784.48 × 433,316.80
  4. Step 4: Simplify right side
    755,609.28x = 451,856,033,963.26
  5. Step 5: Solve for x
    x = 451,856,033,963.26/755,609.28
  6. Step 6: Final answer
    x = 598,002.23

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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.