Home / 674,451.89-1,012,176.74-319,466.69

Finding the Fourth Proportional to 674,451.89, 1,012,176.74 and 319,466.69

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Solution

The fourth proportional to 674,451.89, 1,012,176.74 and 319,466.69 is: 479,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,451.89 : 1,012,176.74 = 319,466.69 : x
  2. Step 2: Convert to fraction form
    674,451.89/1,012,176.74 = 319,466.69/x
  3. Step 3: Cross multiply
    674,451.89x = 1,012,176.74 × 319,466.69
  4. Step 4: Simplify right side
    674,451.89x = 323,356,752,822.79
  5. Step 5: Solve for x
    x = 323,356,752,822.79/674,451.89
  6. Step 6: Final answer
    x = 479,436.35

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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.