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Finding the Fourth Proportional to 434,501.10, 651,751.65 and 381,969.90

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Solution

The fourth proportional to 434,501.10, 651,751.65 and 381,969.90 is: 572,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,501.10 : 651,751.65 = 381,969.90 : x
  2. Step 2: Convert to fraction form
    434,501.10/651,751.65 = 381,969.90/x
  3. Step 3: Cross multiply
    434,501.10x = 651,751.65 × 381,969.90
  4. Step 4: Simplify right side
    434,501.10x = 248,949,512,575.34
  5. Step 5: Solve for x
    x = 248,949,512,575.34/434,501.10
  6. Step 6: Final answer
    x = 572,954.85

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.