Home / 788,209.38-1,182,480.12-255,688.83

Finding the Fourth Proportional to 788,209.38, 1,182,480.12 and 255,688.83

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Solution

The fourth proportional to 788,209.38, 1,182,480.12 and 255,688.83 is: 383,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,209.38 : 1,182,480.12 = 255,688.83 : x
  2. Step 2: Convert to fraction form
    788,209.38/1,182,480.12 = 255,688.83/x
  3. Step 3: Cross multiply
    788,209.38x = 1,182,480.12 × 255,688.83
  4. Step 4: Simplify right side
    788,209.38x = 302,346,958,381.06
  5. Step 5: Solve for x
    x = 302,346,958,381.06/788,209.38
  6. Step 6: Final answer
    x = 383,587.11

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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.