Home / 825,350.04-1,138,968.60-462,772.76

Finding the Fourth Proportional to 825,350.04, 1,138,968.60 and 462,772.76

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Solution

The fourth proportional to 825,350.04, 1,138,968.60 and 462,772.76 is: 638,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,350.04 : 1,138,968.60 = 462,772.76 : x
  2. Step 2: Convert to fraction form
    825,350.04/1,138,968.60 = 462,772.76/x
  3. Step 3: Cross multiply
    825,350.04x = 1,138,968.60 × 462,772.76
  4. Step 4: Simplify right side
    825,350.04x = 527,083,642,575.34
  5. Step 5: Solve for x
    x = 527,083,642,575.34/825,350.04
  6. Step 6: Final answer
    x = 638,618.30

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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.