Home / 949,050.13-1,309,689.15-519,330.31

Finding the Fourth Proportional to 949,050.13, 1,309,689.15 and 519,330.31

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Solution

The fourth proportional to 949,050.13, 1,309,689.15 and 519,330.31 is: 716,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,050.13 : 1,309,689.15 = 519,330.31 : x
  2. Step 2: Convert to fraction form
    949,050.13/1,309,689.15 = 519,330.31/x
  3. Step 3: Cross multiply
    949,050.13x = 1,309,689.15 × 519,330.31
  4. Step 4: Simplify right side
    949,050.13x = 680,161,272,273.14
  5. Step 5: Solve for x
    x = 680,161,272,273.14/949,050.13
  6. Step 6: Final answer
    x = 716,675.81

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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.