Home / 876,642.24-1,314,173.88-315,282

Finding the Fourth Proportional to 876,642.24, 1,314,173.88 and 315,282

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Solution

The fourth proportional to 876,642.24, 1,314,173.88 and 315,282 is: 472,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,642.24 : 1,314,173.88 = 315,282 : x
  2. Step 2: Convert to fraction form
    876,642.24/1,314,173.88 = 315,282/x
  3. Step 3: Cross multiply
    876,642.24x = 1,314,173.88 × 315,282
  4. Step 4: Simplify right side
    876,642.24x = 414,335,369,234.16
  5. Step 5: Solve for x
    x = 414,335,369,234.16/876,642.24
  6. Step 6: Final answer
    x = 472,639.07

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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.