Home / 916,615.20-1,374,922.80-251,834.40

Finding the Fourth Proportional to 916,615.20, 1,374,922.80 and 251,834.40

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Solution

The fourth proportional to 916,615.20, 1,374,922.80 and 251,834.40 is: 377,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,615.20 : 1,374,922.80 = 251,834.40 : x
  2. Step 2: Convert to fraction form
    916,615.20/1,374,922.80 = 251,834.40/x
  3. Step 3: Cross multiply
    916,615.20x = 1,374,922.80 × 251,834.40
  4. Step 4: Simplify right side
    916,615.20x = 346,252,858,384.32
  5. Step 5: Solve for x
    x = 346,252,858,384.32/916,615.20
  6. Step 6: Final answer
    x = 377,751.60

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Similar ratio
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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.