Home / 775,479.75-1,163,220.02-243,042.24

Finding the Fourth Proportional to 775,479.75, 1,163,220.02 and 243,042.24

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Solution

The fourth proportional to 775,479.75, 1,163,220.02 and 243,042.24 is: 364,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,479.75 : 1,163,220.02 = 243,042.24 : x
  2. Step 2: Convert to fraction form
    775,479.75/1,163,220.02 = 243,042.24/x
  3. Step 3: Cross multiply
    775,479.75x = 1,163,220.02 × 243,042.24
  4. Step 4: Simplify right side
    775,479.75x = 282,711,599,273.65
  5. Step 5: Solve for x
    x = 282,711,599,273.65/775,479.75
  6. Step 6: Final answer
    x = 364,563.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.