Home / 898,535.97-1,240,030.15-490,675.73

Finding the Fourth Proportional to 898,535.97, 1,240,030.15 and 490,675.73

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Solution

The fourth proportional to 898,535.97, 1,240,030.15 and 490,675.73 is: 677,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,535.97 : 1,240,030.15 = 490,675.73 : x
  2. Step 2: Convert to fraction form
    898,535.97/1,240,030.15 = 490,675.73/x
  3. Step 3: Cross multiply
    898,535.97x = 1,240,030.15 × 490,675.73
  4. Step 4: Simplify right side
    898,535.97x = 608,452,691,646.42
  5. Step 5: Solve for x
    x = 608,452,691,646.42/898,535.97
  6. Step 6: Final answer
    x = 677,160.08

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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.