Home / 634,819.32-876,090.42-348,340.14

Finding the Fourth Proportional to 634,819.32, 876,090.42 and 348,340.14

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Solution

The fourth proportional to 634,819.32, 876,090.42 and 348,340.14 is: 480,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,819.32 : 876,090.42 = 348,340.14 : x
  2. Step 2: Convert to fraction form
    634,819.32/876,090.42 = 348,340.14/x
  3. Step 3: Cross multiply
    634,819.32x = 876,090.42 × 348,340.14
  4. Step 4: Simplify right side
    634,819.32x = 305,177,459,555.46
  5. Step 5: Solve for x
    x = 305,177,459,555.46/634,819.32
  6. Step 6: Final answer
    x = 480,731.21

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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.