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Finding the Fourth Proportional to 632,710.36, 873,119.10 and 346,211.20

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Solution

The fourth proportional to 632,710.36, 873,119.10 and 346,211.20 is: 477,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,710.36 : 873,119.10 = 346,211.20 : x
  2. Step 2: Convert to fraction form
    632,710.36/873,119.10 = 346,211.20/x
  3. Step 3: Cross multiply
    632,710.36x = 873,119.10 × 346,211.20
  4. Step 4: Simplify right side
    632,710.36x = 302,283,611,353.92
  5. Step 5: Solve for x
    x = 302,283,611,353.92/632,710.36
  6. Step 6: Final answer
    x = 477,759.86

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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.