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Finding the Fourth Proportional to 634,088.32, 875,040 and 347,620.48

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Solution

The fourth proportional to 634,088.32, 875,040 and 347,620.48 is: 479,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,088.32 : 875,040 = 347,620.48 : x
  2. Step 2: Convert to fraction form
    634,088.32/875,040 = 347,620.48/x
  3. Step 3: Cross multiply
    634,088.32x = 875,040 × 347,620.48
  4. Step 4: Simplify right side
    634,088.32x = 304,181,824,819.20
  5. Step 5: Solve for x
    x = 304,181,824,819.20/634,088.32
  6. Step 6: Final answer
    x = 479,715.23

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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.