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Finding the Fourth Proportional to 660,941.68, 912,102.48 and 374,517.58

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Solution

The fourth proportional to 660,941.68, 912,102.48 and 374,517.58 is: 516,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,941.68 : 912,102.48 = 374,517.58 : x
  2. Step 2: Convert to fraction form
    660,941.68/912,102.48 = 374,517.58/x
  3. Step 3: Cross multiply
    660,941.68x = 912,102.48 × 374,517.58
  4. Step 4: Simplify right side
    660,941.68x = 341,598,413,521.60
  5. Step 5: Solve for x
    x = 341,598,413,521.60/660,941.68
  6. Step 6: Final answer
    x = 516,835.94

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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.