Home / 727,567.47-1,004,044.04-396,421.83

Finding the Fourth Proportional to 727,567.47, 1,004,044.04 and 396,421.83

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Solution

The fourth proportional to 727,567.47, 1,004,044.04 and 396,421.83 is: 547,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,567.47 : 1,004,044.04 = 396,421.83 : x
  2. Step 2: Convert to fraction form
    727,567.47/1,004,044.04 = 396,421.83/x
  3. Step 3: Cross multiply
    727,567.47x = 1,004,044.04 × 396,421.83
  4. Step 4: Simplify right side
    727,567.47x = 398,024,977,520.45
  5. Step 5: Solve for x
    x = 398,024,977,520.45/727,567.47
  6. Step 6: Final answer
    x = 547,062.64

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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.