Home / 837,287.20-1,155,050.08-497,514.88

Finding the Fourth Proportional to 837,287.20, 1,155,050.08 and 497,514.88

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Solution

The fourth proportional to 837,287.20, 1,155,050.08 and 497,514.88 is: 686,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,287.20 : 1,155,050.08 = 497,514.88 : x
  2. Step 2: Convert to fraction form
    837,287.20/1,155,050.08 = 497,514.88/x
  3. Step 3: Cross multiply
    837,287.20x = 1,155,050.08 × 497,514.88
  4. Step 4: Simplify right side
    837,287.20x = 574,654,601,945.19
  5. Step 5: Solve for x
    x = 574,654,601,945.19/837,287.20
  6. Step 6: Final answer
    x = 686,329.14

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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.