Home / 999,515.61-1,499,272.31-325,595.82

Finding the Fourth Proportional to 999,515.61, 1,499,272.31 and 325,595.82

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Solution

The fourth proportional to 999,515.61, 1,499,272.31 and 325,595.82 is: 488,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,515.61 : 1,499,272.31 = 325,595.82 : x
  2. Step 2: Convert to fraction form
    999,515.61/1,499,272.31 = 325,595.82/x
  3. Step 3: Cross multiply
    999,515.61x = 1,499,272.31 × 325,595.82
  4. Step 4: Simplify right side
    999,515.61x = 488,156,788,053.40
  5. Step 5: Solve for x
    x = 488,156,788,053.40/999,515.61
  6. Step 6: Final answer
    x = 488,393.36

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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.