Home / 348,040.24-521,528.94-258,862.48

Finding the Fourth Proportional to 348,040.24, 521,528.94 and 258,862.48

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Solution

The fourth proportional to 348,040.24, 521,528.94 and 258,862.48 is: 387,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,040.24 : 521,528.94 = 258,862.48 : x
  2. Step 2: Convert to fraction form
    348,040.24/521,528.94 = 258,862.48/x
  3. Step 3: Cross multiply
    348,040.24x = 521,528.94 × 258,862.48
  4. Step 4: Simplify right side
    348,040.24x = 135,004,274,800.17
  5. Step 5: Solve for x
    x = 135,004,274,800.17/348,040.24
  6. Step 6: Final answer
    x = 387,898.46

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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.