Home / 545,205.92-752,358.12-330,332.36

Finding the Fourth Proportional to 545,205.92, 752,358.12 and 330,332.36

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Solution

The fourth proportional to 545,205.92, 752,358.12 and 330,332.36 is: 455,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,205.92 : 752,358.12 = 330,332.36 : x
  2. Step 2: Convert to fraction form
    545,205.92/752,358.12 = 330,332.36/x
  3. Step 3: Cross multiply
    545,205.92x = 752,358.12 × 330,332.36
  4. Step 4: Simplify right side
    545,205.92x = 248,528,233,344.76
  5. Step 5: Solve for x
    x = 248,528,233,344.76/545,205.92
  6. Step 6: Final answer
    x = 455,842.87

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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.