Home / 574,938.90-787,669.14-553,390.47

Finding the Fourth Proportional to 574,938.90, 787,669.14 and 553,390.47

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Solution

The fourth proportional to 574,938.90, 787,669.14 and 553,390.47 is: 758,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,938.90 : 787,669.14 = 553,390.47 : x
  2. Step 2: Convert to fraction form
    574,938.90/787,669.14 = 553,390.47/x
  3. Step 3: Cross multiply
    574,938.90x = 787,669.14 × 553,390.47
  4. Step 4: Simplify right side
    574,938.90x = 435,888,595,589.10
  5. Step 5: Solve for x
    x = 435,888,595,589.10/574,938.90
  6. Step 6: Final answer
    x = 758,147.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.