Home / 487,510.47-730,666.77-273,829.20

Finding the Fourth Proportional to 487,510.47, 730,666.77 and 273,829.20

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Solution

The fourth proportional to 487,510.47, 730,666.77 and 273,829.20 is: 410,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,510.47 : 730,666.77 = 273,829.20 : x
  2. Step 2: Convert to fraction form
    487,510.47/730,666.77 = 273,829.20/x
  3. Step 3: Cross multiply
    487,510.47x = 730,666.77 × 273,829.20
  4. Step 4: Simplify right side
    487,510.47x = 200,077,898,272.83
  5. Step 5: Solve for x
    x = 200,077,898,272.83/487,510.47
  6. Step 6: Final answer
    x = 410,407.38

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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.