Home / 768,148.80-1,152,223.20-484,713.60

Finding the Fourth Proportional to 768,148.80, 1,152,223.20 and 484,713.60

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Solution

The fourth proportional to 768,148.80, 1,152,223.20 and 484,713.60 is: 727,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,148.80 : 1,152,223.20 = 484,713.60 : x
  2. Step 2: Convert to fraction form
    768,148.80/1,152,223.20 = 484,713.60/x
  3. Step 3: Cross multiply
    768,148.80x = 1,152,223.20 × 484,713.60
  4. Step 4: Simplify right side
    768,148.80x = 558,498,255,275.52
  5. Step 5: Solve for x
    x = 558,498,255,275.52/768,148.80
  6. Step 6: Final answer
    x = 727,070.40

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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.