Home / 738,134.12-1,018,876.62-458,949.80

Finding the Fourth Proportional to 738,134.12, 1,018,876.62 and 458,949.80

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Solution

The fourth proportional to 738,134.12, 1,018,876.62 and 458,949.80 is: 633,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,134.12 : 1,018,876.62 = 458,949.80 : x
  2. Step 2: Convert to fraction form
    738,134.12/1,018,876.62 = 458,949.80/x
  3. Step 3: Cross multiply
    738,134.12x = 1,018,876.62 × 458,949.80
  4. Step 4: Simplify right side
    738,134.12x = 467,613,220,973.68
  5. Step 5: Solve for x
    x = 467,613,220,973.68/738,134.12
  6. Step 6: Final answer
    x = 633,507.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.