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Finding the Fourth Proportional to 634,466, 875,619.28 and 348,041.84

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Solution

The fourth proportional to 634,466, 875,619.28 and 348,041.84 is: 480,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,466 : 875,619.28 = 348,041.84 : x
  2. Step 2: Convert to fraction form
    634,466/875,619.28 = 348,041.84/x
  3. Step 3: Cross multiply
    634,466x = 875,619.28 × 348,041.84
  4. Step 4: Simplify right side
    634,466x = 304,752,145,350.68
  5. Step 5: Solve for x
    x = 304,752,145,350.68/634,466
  6. Step 6: Final answer
    x = 480,328.57

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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.