Home / 500,323.40-690,445.14-273,966.92

Finding the Fourth Proportional to 500,323.40, 690,445.14 and 273,966.92

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Solution

The fourth proportional to 500,323.40, 690,445.14 and 273,966.92 is: 378,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,323.40 : 690,445.14 = 273,966.92 : x
  2. Step 2: Convert to fraction form
    500,323.40/690,445.14 = 273,966.92/x
  3. Step 3: Cross multiply
    500,323.40x = 690,445.14 × 273,966.92
  4. Step 4: Simplify right side
    500,323.40x = 189,159,128,434.77
  5. Step 5: Solve for x
    x = 189,159,128,434.77/500,323.40
  6. Step 6: Final answer
    x = 378,073.72

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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.