Home / 788,159.80-1,181,948.10-255,698.20

Finding the Fourth Proportional to 788,159.80, 1,181,948.10 and 255,698.20

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Solution

The fourth proportional to 788,159.80, 1,181,948.10 and 255,698.20 is: 383,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,159.80 : 1,181,948.10 = 255,698.20 : x
  2. Step 2: Convert to fraction form
    788,159.80/1,181,948.10 = 255,698.20/x
  3. Step 3: Cross multiply
    788,159.80x = 1,181,948.10 × 255,698.20
  4. Step 4: Simplify right side
    788,159.80x = 302,222,001,663.42
  5. Step 5: Solve for x
    x = 302,222,001,663.42/788,159.80
  6. Step 6: Final answer
    x = 383,452.70

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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.