Home / 785,084.40-1,176,314.40-672,235.20

Finding the Fourth Proportional to 785,084.40, 1,176,314.40 and 672,235.20

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Solution

The fourth proportional to 785,084.40, 1,176,314.40 and 672,235.20 is: 1,007,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,084.40 : 1,176,314.40 = 672,235.20 : x
  2. Step 2: Convert to fraction form
    785,084.40/1,176,314.40 = 672,235.20/x
  3. Step 3: Cross multiply
    785,084.40x = 1,176,314.40 × 672,235.20
  4. Step 4: Simplify right side
    785,084.40x = 790,759,945,946.88
  5. Step 5: Solve for x
    x = 790,759,945,946.88/785,084.40
  6. Step 6: Final answer
    x = 1,007,229.22

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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.