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Finding the Fourth Proportional to 662,104.98, 993,256.29 and 307,154.88

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Solution

The fourth proportional to 662,104.98, 993,256.29 and 307,154.88 is: 460,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,104.98 : 993,256.29 = 307,154.88 : x
  2. Step 2: Convert to fraction form
    662,104.98/993,256.29 = 307,154.88/x
  3. Step 3: Cross multiply
    662,104.98x = 993,256.29 × 307,154.88
  4. Step 4: Simplify right side
    662,104.98x = 305,083,516,564.20
  5. Step 5: Solve for x
    x = 305,083,516,564.20/662,104.98
  6. Step 6: Final answer
    x = 460,778.16

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1.5x scale

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.