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Finding the Fourth Proportional to 634,363.08, 875,422.26 and 347,885.28

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Solution

The fourth proportional to 634,363.08, 875,422.26 and 347,885.28 is: 480,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,363.08 : 875,422.26 = 347,885.28 : x
  2. Step 2: Convert to fraction form
    634,363.08/875,422.26 = 347,885.28/x
  3. Step 3: Cross multiply
    634,363.08x = 875,422.26 × 347,885.28
  4. Step 4: Simplify right side
    634,363.08x = 304,546,518,038.33
  5. Step 5: Solve for x
    x = 304,546,518,038.33/634,363.08
  6. Step 6: Final answer
    x = 480,082.35

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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.