Home / 941,729.90-1,412,076.45-310,318.70

Finding the Fourth Proportional to 941,729.90, 1,412,076.45 and 310,318.70

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Solution

The fourth proportional to 941,729.90, 1,412,076.45 and 310,318.70 is: 465,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,729.90 : 1,412,076.45 = 310,318.70 : x
  2. Step 2: Convert to fraction form
    941,729.90/1,412,076.45 = 310,318.70/x
  3. Step 3: Cross multiply
    941,729.90x = 1,412,076.45 × 310,318.70
  4. Step 4: Simplify right side
    941,729.90x = 438,193,728,264.62
  5. Step 5: Solve for x
    x = 438,193,728,264.62/941,729.90
  6. Step 6: Final answer
    x = 465,307.23

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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.