Home / 496,541.80-743,937.90-407,312.20

Finding the Fourth Proportional to 496,541.80, 743,937.90 and 407,312.20

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Solution

The fourth proportional to 496,541.80, 743,937.90 and 407,312.20 is: 610,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,541.80 : 743,937.90 = 407,312.20 : x
  2. Step 2: Convert to fraction form
    496,541.80/743,937.90 = 407,312.20/x
  3. Step 3: Cross multiply
    496,541.80x = 743,937.90 × 407,312.20
  4. Step 4: Simplify right side
    496,541.80x = 303,014,982,712.38
  5. Step 5: Solve for x
    x = 303,014,982,712.38/496,541.80
  6. Step 6: Final answer
    x = 610,250.70

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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.