Home / 646,727.10-970,090.65-497,255.10

Finding the Fourth Proportional to 646,727.10, 970,090.65 and 497,255.10

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Solution

The fourth proportional to 646,727.10, 970,090.65 and 497,255.10 is: 745,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,727.10 : 970,090.65 = 497,255.10 : x
  2. Step 2: Convert to fraction form
    646,727.10/970,090.65 = 497,255.10/x
  3. Step 3: Cross multiply
    646,727.10x = 970,090.65 × 497,255.10
  4. Step 4: Simplify right side
    646,727.10x = 482,382,523,174.82
  5. Step 5: Solve for x
    x = 482,382,523,174.82/646,727.10
  6. Step 6: Final answer
    x = 745,882.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.