Home / 788,787.50-1,182,590.76-255,990.56

Finding the Fourth Proportional to 788,787.50, 1,182,590.76 and 255,990.56

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Solution

The fourth proportional to 788,787.50, 1,182,590.76 and 255,990.56 is: 383,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,787.50 : 1,182,590.76 = 255,990.56 : x
  2. Step 2: Convert to fraction form
    788,787.50/1,182,590.76 = 255,990.56/x
  3. Step 3: Cross multiply
    788,787.50x = 1,182,590.76 × 255,990.56
  4. Step 4: Simplify right side
    788,787.50x = 302,732,070,903.23
  5. Step 5: Solve for x
    x = 302,732,070,903.23/788,787.50
  6. Step 6: Final answer
    x = 383,794.20

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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.