Home / 788,521.60-1,181,421.60-366,932.80

Finding the Fourth Proportional to 788,521.60, 1,181,421.60 and 366,932.80

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Solution

The fourth proportional to 788,521.60, 1,181,421.60 and 366,932.80 is: 549,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,521.60 : 1,181,421.60 = 366,932.80 : x
  2. Step 2: Convert to fraction form
    788,521.60/1,181,421.60 = 366,932.80/x
  3. Step 3: Cross multiply
    788,521.60x = 1,181,421.60 × 366,932.80
  4. Step 4: Simplify right side
    788,521.60x = 433,502,335,668.48
  5. Step 5: Solve for x
    x = 433,502,335,668.48/788,521.60
  6. Step 6: Final answer
    x = 549,765.96

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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.