Home / 905,497.52-1,249,314.03-542,789.03

Finding the Fourth Proportional to 905,497.52, 1,249,314.03 and 542,789.03

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Solution

The fourth proportional to 905,497.52, 1,249,314.03 and 542,789.03 is: 748,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,497.52 : 1,249,314.03 = 542,789.03 : x
  2. Step 2: Convert to fraction form
    905,497.52/1,249,314.03 = 542,789.03/x
  3. Step 3: Cross multiply
    905,497.52x = 1,249,314.03 × 542,789.03
  4. Step 4: Simplify right side
    905,497.52x = 678,113,953,632.38
  5. Step 5: Solve for x
    x = 678,113,953,632.38/905,497.52
  6. Step 6: Final answer
    x = 748,885.49

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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.