Home / 931,891.60-1,394,611.80-558,182.80

Finding the Fourth Proportional to 931,891.60, 1,394,611.80 and 558,182.80

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Solution

The fourth proportional to 931,891.60, 1,394,611.80 and 558,182.80 is: 835,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,891.60 : 1,394,611.80 = 558,182.80 : x
  2. Step 2: Convert to fraction form
    931,891.60/1,394,611.80 = 558,182.80/x
  3. Step 3: Cross multiply
    931,891.60x = 1,394,611.80 × 558,182.80
  4. Step 4: Simplify right side
    931,891.60x = 778,448,319,437.04
  5. Step 5: Solve for x
    x = 778,448,319,437.04/931,891.60
  6. Step 6: Final answer
    x = 835,342.14

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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.