Home / 949,008.80-1,309,661.52-519,307.04

Finding the Fourth Proportional to 949,008.80, 1,309,661.52 and 519,307.04

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Solution

The fourth proportional to 949,008.80, 1,309,661.52 and 519,307.04 is: 716,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,008.80 : 1,309,661.52 = 519,307.04 : x
  2. Step 2: Convert to fraction form
    949,008.80/1,309,661.52 = 519,307.04/x
  3. Step 3: Cross multiply
    949,008.80x = 1,309,661.52 × 519,307.04
  4. Step 4: Simplify right side
    949,008.80x = 680,116,447,353.10
  5. Step 5: Solve for x
    x = 680,116,447,353.10/949,008.80
  6. Step 6: Final answer
    x = 716,659.79

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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.