Home / 540,748.20-746,280.90-299,087.40

Finding the Fourth Proportional to 540,748.20, 746,280.90 and 299,087.40

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Solution

The fourth proportional to 540,748.20, 746,280.90 and 299,087.40 is: 412,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,748.20 : 746,280.90 = 299,087.40 : x
  2. Step 2: Convert to fraction form
    540,748.20/746,280.90 = 299,087.40/x
  3. Step 3: Cross multiply
    540,748.20x = 746,280.90 × 299,087.40
  4. Step 4: Simplify right side
    540,748.20x = 223,203,214,050.66
  5. Step 5: Solve for x
    x = 223,203,214,050.66/540,748.20
  6. Step 6: Final answer
    x = 412,767.37

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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.