Home / 941,751.40-1,412,108.70-310,340.20

Finding the Fourth Proportional to 941,751.40, 1,412,108.70 and 310,340.20

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Solution

The fourth proportional to 941,751.40, 1,412,108.70 and 310,340.20 is: 465,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,751.40 : 1,412,108.70 = 310,340.20 : x
  2. Step 2: Convert to fraction form
    941,751.40/1,412,108.70 = 310,340.20/x
  3. Step 3: Cross multiply
    941,751.40x = 1,412,108.70 × 310,340.20
  4. Step 4: Simplify right side
    941,751.40x = 438,234,096,379.74
  5. Step 5: Solve for x
    x = 438,234,096,379.74/941,751.40
  6. Step 6: Final answer
    x = 465,339.47

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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.