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Finding the Fourth Proportional to 632,561.20, 872,955.42 and 346,081.42

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Solution

The fourth proportional to 632,561.20, 872,955.42 and 346,081.42 is: 477,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,561.20 : 872,955.42 = 346,081.42 : x
  2. Step 2: Convert to fraction form
    632,561.20/872,955.42 = 346,081.42/x
  3. Step 3: Cross multiply
    632,561.20x = 872,955.42 × 346,081.42
  4. Step 4: Simplify right side
    632,561.20x = 302,113,651,350.30
  5. Step 5: Solve for x
    x = 302,113,651,350.30/632,561.20
  6. Step 6: Final answer
    x = 477,603.83

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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.