Home / 788,521.39-1,182,781.96-189,482.55

Finding the Fourth Proportional to 788,521.39, 1,182,781.96 and 189,482.55

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Solution

The fourth proportional to 788,521.39, 1,182,781.96 and 189,482.55 is: 284,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,521.39 : 1,182,781.96 = 189,482.55 : x
  2. Step 2: Convert to fraction form
    788,521.39/1,182,781.96 = 189,482.55/x
  3. Step 3: Cross multiply
    788,521.39x = 1,182,781.96 × 189,482.55
  4. Step 4: Simplify right side
    788,521.39x = 224,116,536,965.66
  5. Step 5: Solve for x
    x = 224,116,536,965.66/788,521.39
  6. Step 6: Final answer
    x = 284,223.79

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Double scale
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Similar ratio
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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.