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Finding the Fourth Proportional to 632,769.30, 873,209.97 and 346,283.64

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Solution

The fourth proportional to 632,769.30, 873,209.97 and 346,283.64 is: 477,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,769.30 : 873,209.97 = 346,283.64 : x
  2. Step 2: Convert to fraction form
    632,769.30/873,209.97 = 346,283.64/x
  3. Step 3: Cross multiply
    632,769.30x = 873,209.97 × 346,283.64
  4. Step 4: Simplify right side
    632,769.30x = 302,378,326,895.89
  5. Step 5: Solve for x
    x = 302,378,326,895.89/632,769.30
  6. Step 6: Final answer
    x = 477,865.04

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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.