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Finding the Fourth Proportional to 475,604.04, 656,333.40 and 260,739.49

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Solution

The fourth proportional to 475,604.04, 656,333.40 and 260,739.49 is: 359,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,604.04 : 656,333.40 = 260,739.49 : x
  2. Step 2: Convert to fraction form
    475,604.04/656,333.40 = 260,739.49/x
  3. Step 3: Cross multiply
    475,604.04x = 656,333.40 × 260,739.49
  4. Step 4: Simplify right side
    475,604.04x = 171,132,035,985.97
  5. Step 5: Solve for x
    x = 171,132,035,985.97/475,604.04
  6. Step 6: Final answer
    x = 359,820.40

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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.