Home / 775,602.20-1,164,059.40-349,793.30

Finding the Fourth Proportional to 775,602.20, 1,164,059.40 and 349,793.30

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Solution

The fourth proportional to 775,602.20, 1,164,059.40 and 349,793.30 is: 524,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,602.20 : 1,164,059.40 = 349,793.30 : x
  2. Step 2: Convert to fraction form
    775,602.20/1,164,059.40 = 349,793.30/x
  3. Step 3: Cross multiply
    775,602.20x = 1,164,059.40 × 349,793.30
  4. Step 4: Simplify right side
    775,602.20x = 407,180,178,922.02
  5. Step 5: Solve for x
    x = 407,180,178,922.02/775,602.20
  6. Step 6: Final answer
    x = 524,985.85

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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.