Home / 949,332.80-1,310,079.72-519,615.20

Finding the Fourth Proportional to 949,332.80, 1,310,079.72 and 519,615.20

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Solution

The fourth proportional to 949,332.80, 1,310,079.72 and 519,615.20 is: 717,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,332.80 : 1,310,079.72 = 519,615.20 : x
  2. Step 2: Convert to fraction form
    949,332.80/1,310,079.72 = 519,615.20/x
  3. Step 3: Cross multiply
    949,332.80x = 1,310,079.72 × 519,615.20
  4. Step 4: Simplify right side
    949,332.80x = 680,737,335,723.74
  5. Step 5: Solve for x
    x = 680,737,335,723.74/949,332.80
  6. Step 6: Final answer
    x = 717,069.23

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1.5x scale

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.