Home / 906,934.70-1,361,449.65-487,030.70

Finding the Fourth Proportional to 906,934.70, 1,361,449.65 and 487,030.70

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Solution

The fourth proportional to 906,934.70, 1,361,449.65 and 487,030.70 is: 731,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,934.70 : 1,361,449.65 = 487,030.70 : x
  2. Step 2: Convert to fraction form
    906,934.70/1,361,449.65 = 487,030.70/x
  3. Step 3: Cross multiply
    906,934.70x = 1,361,449.65 × 487,030.70
  4. Step 4: Simplify right side
    906,934.70x = 663,067,776,054.26
  5. Step 5: Solve for x
    x = 663,067,776,054.26/906,934.70
  6. Step 6: Final answer
    x = 731,108.62

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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.