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Finding the Fourth Proportional to 662,349.48, 914,060.10 and 360,556.20

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Solution

The fourth proportional to 662,349.48, 914,060.10 and 360,556.20 is: 497,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,349.48 : 914,060.10 = 360,556.20 : x
  2. Step 2: Convert to fraction form
    662,349.48/914,060.10 = 360,556.20/x
  3. Step 3: Cross multiply
    662,349.48x = 914,060.10 × 360,556.20
  4. Step 4: Simplify right side
    662,349.48x = 329,570,036,227.62
  5. Step 5: Solve for x
    x = 329,570,036,227.62/662,349.48
  6. Step 6: Final answer
    x = 497,577.26

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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.