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Finding the Fourth Proportional to 662,654.80, 914,471.40 and 360,848.80

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Solution

The fourth proportional to 662,654.80, 914,471.40 and 360,848.80 is: 497,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,654.80 : 914,471.40 = 360,848.80 : x
  2. Step 2: Convert to fraction form
    662,654.80/914,471.40 = 360,848.80/x
  3. Step 3: Cross multiply
    662,654.80x = 914,471.40 × 360,848.80
  4. Step 4: Simplify right side
    662,654.80x = 329,985,907,324.32
  5. Step 5: Solve for x
    x = 329,985,907,324.32/662,654.80
  6. Step 6: Final answer
    x = 497,975.58

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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.