Home / 440,162.13-607,426.26-258,881.70

Finding the Fourth Proportional to 440,162.13, 607,426.26 and 258,881.70

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Solution

The fourth proportional to 440,162.13, 607,426.26 and 258,881.70 is: 357,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,162.13 : 607,426.26 = 258,881.70 : x
  2. Step 2: Convert to fraction form
    440,162.13/607,426.26 = 258,881.70/x
  3. Step 3: Cross multiply
    440,162.13x = 607,426.26 × 258,881.70
  4. Step 4: Simplify right side
    440,162.13x = 157,251,542,813.44
  5. Step 5: Solve for x
    x = 157,251,542,813.44/440,162.13
  6. Step 6: Final answer
    x = 357,258.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.