Home / 950,065.80-1,425,905.10-389,502.60

Finding the Fourth Proportional to 950,065.80, 1,425,905.10 and 389,502.60

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Solution

The fourth proportional to 950,065.80, 1,425,905.10 and 389,502.60 is: 584,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,065.80 : 1,425,905.10 = 389,502.60 : x
  2. Step 2: Convert to fraction form
    950,065.80/1,425,905.10 = 389,502.60/x
  3. Step 3: Cross multiply
    950,065.80x = 1,425,905.10 × 389,502.60
  4. Step 4: Simplify right side
    950,065.80x = 555,393,743,803.26
  5. Step 5: Solve for x
    x = 555,393,743,803.26/950,065.80
  6. Step 6: Final answer
    x = 584,584.50

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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.