Home / 785,841.60-1,177,771.20-336,030.72

Finding the Fourth Proportional to 785,841.60, 1,177,771.20 and 336,030.72

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Solution

The fourth proportional to 785,841.60, 1,177,771.20 and 336,030.72 is: 503,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,841.60 : 1,177,771.20 = 336,030.72 : x
  2. Step 2: Convert to fraction form
    785,841.60/1,177,771.20 = 336,030.72/x
  3. Step 3: Cross multiply
    785,841.60x = 1,177,771.20 × 336,030.72
  4. Step 4: Simplify right side
    785,841.60x = 395,767,304,331.26
  5. Step 5: Solve for x
    x = 395,767,304,331.26/785,841.60
  6. Step 6: Final answer
    x = 503,622.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.