Home / 905,597.52-1,249,735.92-497,743.92

Finding the Fourth Proportional to 905,597.52, 1,249,735.92 and 497,743.92

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Solution

The fourth proportional to 905,597.52, 1,249,735.92 and 497,743.92 is: 686,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,597.52 : 1,249,735.92 = 497,743.92 : x
  2. Step 2: Convert to fraction form
    905,597.52/1,249,735.92 = 497,743.92/x
  3. Step 3: Cross multiply
    905,597.52x = 1,249,735.92 × 497,743.92
  4. Step 4: Simplify right side
    905,597.52x = 622,048,455,785.61
  5. Step 5: Solve for x
    x = 622,048,455,785.61/905,597.52
  6. Step 6: Final answer
    x = 686,892.84

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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.