Home / 949,073.57-1,309,721.63-519,353.79

Finding the Fourth Proportional to 949,073.57, 1,309,721.63 and 519,353.79

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Solution

The fourth proportional to 949,073.57, 1,309,721.63 and 519,353.79 is: 716,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,073.57 : 1,309,721.63 = 519,353.79 : x
  2. Step 2: Convert to fraction form
    949,073.57/1,309,721.63 = 519,353.79/x
  3. Step 3: Cross multiply
    949,073.57x = 1,309,721.63 × 519,353.79
  4. Step 4: Simplify right side
    949,073.57x = 680,208,892,385.48
  5. Step 5: Solve for x
    x = 680,208,892,385.48/949,073.57
  6. Step 6: Final answer
    x = 716,708.29

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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.