Home / 749,350.30-1,124,394.51-349,933.02

Finding the Fourth Proportional to 749,350.30, 1,124,394.51 and 349,933.02

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Solution

The fourth proportional to 749,350.30, 1,124,394.51 and 349,933.02 is: 525,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,350.30 : 1,124,394.51 = 349,933.02 : x
  2. Step 2: Convert to fraction form
    749,350.30/1,124,394.51 = 349,933.02/x
  3. Step 3: Cross multiply
    749,350.30x = 1,124,394.51 × 349,933.02
  4. Step 4: Simplify right side
    749,350.30x = 393,462,766,555.72
  5. Step 5: Solve for x
    x = 393,462,766,555.72/749,350.30
  6. Step 6: Final answer
    x = 525,071.88

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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.