Home / 788,211.38-1,182,483.12-255,690.84

Finding the Fourth Proportional to 788,211.38, 1,182,483.12 and 255,690.84

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Solution

The fourth proportional to 788,211.38, 1,182,483.12 and 255,690.84 is: 383,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,211.38 : 1,182,483.12 = 255,690.84 : x
  2. Step 2: Convert to fraction form
    788,211.38/1,182,483.12 = 255,690.84/x
  3. Step 3: Cross multiply
    788,211.38x = 1,182,483.12 × 255,690.84
  4. Step 4: Simplify right side
    788,211.38x = 302,350,102,238.62
  5. Step 5: Solve for x
    x = 302,350,102,238.62/788,211.38
  6. Step 6: Final answer
    x = 383,590.13

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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.