Home / 877,770.02-1,316,700.59-278,778.06

Finding the Fourth Proportional to 877,770.02, 1,316,700.59 and 278,778.06

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Solution

The fourth proportional to 877,770.02, 1,316,700.59 and 278,778.06 is: 418,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,770.02 : 1,316,700.59 = 278,778.06 : x
  2. Step 2: Convert to fraction form
    877,770.02/1,316,700.59 = 278,778.06/x
  3. Step 3: Cross multiply
    877,770.02x = 1,316,700.59 × 278,778.06
  4. Step 4: Simplify right side
    877,770.02x = 367,067,234,687.17
  5. Step 5: Solve for x
    x = 367,067,234,687.17/877,770.02
  6. Step 6: Final answer
    x = 418,181.56

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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.