Home / 775,628.40-1,163,442.60-207,008.40

Finding the Fourth Proportional to 775,628.40, 1,163,442.60 and 207,008.40

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Solution

The fourth proportional to 775,628.40, 1,163,442.60 and 207,008.40 is: 310,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,628.40 : 1,163,442.60 = 207,008.40 : x
  2. Step 2: Convert to fraction form
    775,628.40/1,163,442.60 = 207,008.40/x
  3. Step 3: Cross multiply
    775,628.40x = 1,163,442.60 × 207,008.40
  4. Step 4: Simplify right side
    775,628.40x = 240,842,391,117.84
  5. Step 5: Solve for x
    x = 240,842,391,117.84/775,628.40
  6. Step 6: Final answer
    x = 310,512.60

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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.