Home / 648,003.80-971,568.30-344,448.20

Finding the Fourth Proportional to 648,003.80, 971,568.30 and 344,448.20

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Solution

The fourth proportional to 648,003.80, 971,568.30 and 344,448.20 is: 516,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,003.80 : 971,568.30 = 344,448.20 : x
  2. Step 2: Convert to fraction form
    648,003.80/971,568.30 = 344,448.20/x
  3. Step 3: Cross multiply
    648,003.80x = 971,568.30 × 344,448.20
  4. Step 4: Simplify right side
    648,003.80x = 334,654,952,112.06
  5. Step 5: Solve for x
    x = 334,654,952,112.06/648,003.80
  6. Step 6: Final answer
    x = 516,439.80

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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.