Home / 718,829.12-1,078,010.16-238,928

Finding the Fourth Proportional to 718,829.12, 1,078,010.16 and 238,928

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Solution

The fourth proportional to 718,829.12, 1,078,010.16 and 238,928 is: 358,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,829.12 : 1,078,010.16 = 238,928 : x
  2. Step 2: Convert to fraction form
    718,829.12/1,078,010.16 = 238,928/x
  3. Step 3: Cross multiply
    718,829.12x = 1,078,010.16 × 238,928
  4. Step 4: Simplify right side
    718,829.12x = 257,566,811,508.48
  5. Step 5: Solve for x
    x = 257,566,811,508.48/718,829.12
  6. Step 6: Final answer
    x = 358,314.38

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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.