Home / 674,166.18-1,010,858.04-319,177.20

Finding the Fourth Proportional to 674,166.18, 1,010,858.04 and 319,177.20

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Solution

The fourth proportional to 674,166.18, 1,010,858.04 and 319,177.20 is: 478,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,166.18 : 1,010,858.04 = 319,177.20 : x
  2. Step 2: Convert to fraction form
    674,166.18/1,010,858.04 = 319,177.20/x
  3. Step 3: Cross multiply
    674,166.18x = 1,010,858.04 × 319,177.20
  4. Step 4: Simplify right side
    674,166.18x = 322,642,838,804.69
  5. Step 5: Solve for x
    x = 322,642,838,804.69/674,166.18
  6. Step 6: Final answer
    x = 478,580.58

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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.