Home / 898,202.90-1,239,534.22-490,308.26

Finding the Fourth Proportional to 898,202.90, 1,239,534.22 and 490,308.26

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Solution

The fourth proportional to 898,202.90, 1,239,534.22 and 490,308.26 is: 676,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,202.90 : 1,239,534.22 = 490,308.26 : x
  2. Step 2: Convert to fraction form
    898,202.90/1,239,534.22 = 490,308.26/x
  3. Step 3: Cross multiply
    898,202.90x = 1,239,534.22 × 490,308.26
  4. Step 4: Simplify right side
    898,202.90x = 607,753,866,618.66
  5. Step 5: Solve for x
    x = 607,753,866,618.66/898,202.90
  6. Step 6: Final answer
    x = 676,633.16

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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.