Home / 784,033.70-1,175,017.19-310,460.72

Finding the Fourth Proportional to 784,033.70, 1,175,017.19 and 310,460.72

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Solution

The fourth proportional to 784,033.70, 1,175,017.19 and 310,460.72 is: 465,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,033.70 : 1,175,017.19 = 310,460.72 : x
  2. Step 2: Convert to fraction form
    784,033.70/1,175,017.19 = 310,460.72/x
  3. Step 3: Cross multiply
    784,033.70x = 1,175,017.19 × 310,460.72
  4. Step 4: Simplify right side
    784,033.70x = 364,796,675,392.39
  5. Step 5: Solve for x
    x = 364,796,675,392.39/784,033.70
  6. Step 6: Final answer
    x = 465,281.88

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Double scale
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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.