Home / 540,834.12-746,347.28-299,107.76

Finding the Fourth Proportional to 540,834.12, 746,347.28 and 299,107.76

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Solution

The fourth proportional to 540,834.12, 746,347.28 and 299,107.76 is: 412,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,834.12 : 746,347.28 = 299,107.76 : x
  2. Step 2: Convert to fraction form
    540,834.12/746,347.28 = 299,107.76/x
  3. Step 3: Cross multiply
    540,834.12x = 746,347.28 × 299,107.76
  4. Step 4: Simplify right side
    540,834.12x = 223,238,257,875.62
  5. Step 5: Solve for x
    x = 223,238,257,875.62/540,834.12
  6. Step 6: Final answer
    x = 412,766.59

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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.