Home / 767,828.18-1,151,250.16-318,858.95

Finding the Fourth Proportional to 767,828.18, 1,151,250.16 and 318,858.95

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Solution

The fourth proportional to 767,828.18, 1,151,250.16 and 318,858.95 is: 478,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,828.18 : 1,151,250.16 = 318,858.95 : x
  2. Step 2: Convert to fraction form
    767,828.18/1,151,250.16 = 318,858.95/x
  3. Step 3: Cross multiply
    767,828.18x = 1,151,250.16 × 318,858.95
  4. Step 4: Simplify right side
    767,828.18x = 367,086,417,204.93
  5. Step 5: Solve for x
    x = 367,086,417,204.93/767,828.18
  6. Step 6: Final answer
    x = 478,084.06

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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.