Home / 542,984.48-749,300.16-328,086.56

Finding the Fourth Proportional to 542,984.48, 749,300.16 and 328,086.56

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Solution

The fourth proportional to 542,984.48, 749,300.16 and 328,086.56 is: 452,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,984.48 : 749,300.16 = 328,086.56 : x
  2. Step 2: Convert to fraction form
    542,984.48/749,300.16 = 328,086.56/x
  3. Step 3: Cross multiply
    542,984.48x = 749,300.16 × 328,086.56
  4. Step 4: Simplify right side
    542,984.48x = 245,835,311,901.85
  5. Step 5: Solve for x
    x = 245,835,311,901.85/542,984.48
  6. Step 6: Final answer
    x = 452,748.32

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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.