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Finding the Fourth Proportional to 662,801.64, 914,666.10 and 360,995.64

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Solution

The fourth proportional to 662,801.64, 914,666.10 and 360,995.64 is: 498,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,801.64 : 914,666.10 = 360,995.64 : x
  2. Step 2: Convert to fraction form
    662,801.64/914,666.10 = 360,995.64/x
  3. Step 3: Cross multiply
    662,801.64x = 914,666.10 × 360,995.64
  4. Step 4: Simplify right side
    662,801.64x = 330,190,474,155.80
  5. Step 5: Solve for x
    x = 330,190,474,155.80/662,801.64
  6. Step 6: Final answer
    x = 498,173.89

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1.5x scale

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.