Home / 873,039.02-1,204,781.51-491,065.70

Finding the Fourth Proportional to 873,039.02, 1,204,781.51 and 491,065.70

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Solution

The fourth proportional to 873,039.02, 1,204,781.51 and 491,065.70 is: 677,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,039.02 : 1,204,781.51 = 491,065.70 : x
  2. Step 2: Convert to fraction form
    873,039.02/1,204,781.51 = 491,065.70/x
  3. Step 3: Cross multiply
    873,039.02x = 1,204,781.51 × 491,065.70
  4. Step 4: Simplify right side
    873,039.02x = 591,626,870,758.96
  5. Step 5: Solve for x
    x = 591,626,870,758.96/873,039.02
  6. Step 6: Final answer
    x = 677,663.72

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Double scale
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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.