Home / 646,718.10-970,077.15-497,246.10

Finding the Fourth Proportional to 646,718.10, 970,077.15 and 497,246.10

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Solution

The fourth proportional to 646,718.10, 970,077.15 and 497,246.10 is: 745,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,718.10 : 970,077.15 = 497,246.10 : x
  2. Step 2: Convert to fraction form
    646,718.10/970,077.15 = 497,246.10/x
  3. Step 3: Cross multiply
    646,718.10x = 970,077.15 × 497,246.10
  4. Step 4: Simplify right side
    646,718.10x = 482,367,079,536.62
  5. Step 5: Solve for x
    x = 482,367,079,536.62/646,718.10
  6. Step 6: Final answer
    x = 745,869.15

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Double scale
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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.