Home / 788,498.60-1,181,387.10-366,909.80

Finding the Fourth Proportional to 788,498.60, 1,181,387.10 and 366,909.80

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Solution

The fourth proportional to 788,498.60, 1,181,387.10 and 366,909.80 is: 549,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,498.60 : 1,181,387.10 = 366,909.80 : x
  2. Step 2: Convert to fraction form
    788,498.60/1,181,387.10 = 366,909.80/x
  3. Step 3: Cross multiply
    788,498.60x = 1,181,387.10 × 366,909.80
  4. Step 4: Simplify right side
    788,498.60x = 433,462,504,583.58
  5. Step 5: Solve for x
    x = 433,462,504,583.58/788,498.60
  6. Step 6: Final answer
    x = 549,731.48

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1.5x scale

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.