Home / 427,318.92-589,648.95-236,306.34

Finding the Fourth Proportional to 427,318.92, 589,648.95 and 236,306.34

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Solution

The fourth proportional to 427,318.92, 589,648.95 and 236,306.34 is: 326,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,318.92 : 589,648.95 = 236,306.34 : x
  2. Step 2: Convert to fraction form
    427,318.92/589,648.95 = 236,306.34/x
  3. Step 3: Cross multiply
    427,318.92x = 589,648.95 × 236,306.34
  4. Step 4: Simplify right side
    427,318.92x = 139,337,785,259.34
  5. Step 5: Solve for x
    x = 139,337,785,259.34/427,318.92
  6. Step 6: Final answer
    x = 326,074.46

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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.