Home / 700,697.54-966,962.57-378,407.61

Finding the Fourth Proportional to 700,697.54, 966,962.57 and 378,407.61

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Solution

The fourth proportional to 700,697.54, 966,962.57 and 378,407.61 is: 522,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,697.54 : 966,962.57 = 378,407.61 : x
  2. Step 2: Convert to fraction form
    700,697.54/966,962.57 = 378,407.61/x
  3. Step 3: Cross multiply
    700,697.54x = 966,962.57 × 378,407.61
  4. Step 4: Simplify right side
    700,697.54x = 365,905,995,073.16
  5. Step 5: Solve for x
    x = 365,905,995,073.16/700,697.54
  6. Step 6: Final answer
    x = 522,202.48

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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.