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Finding the Fourth Proportional to 632,706.32, 873,134.64 and 346,226.44

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Solution

The fourth proportional to 632,706.32, 873,134.64 and 346,226.44 is: 477,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,706.32 : 873,134.64 = 346,226.44 : x
  2. Step 2: Convert to fraction form
    632,706.32/873,134.64 = 346,226.44/x
  3. Step 3: Cross multiply
    632,706.32x = 873,134.64 × 346,226.44
  4. Step 4: Simplify right side
    632,706.32x = 302,302,298,047.88
  5. Step 5: Solve for x
    x = 302,302,298,047.88/632,706.32
  6. Step 6: Final answer
    x = 477,792.44

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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.