Home / 330,812.30-496,218.45-302,818.70

Finding the Fourth Proportional to 330,812.30, 496,218.45 and 302,818.70

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Solution

The fourth proportional to 330,812.30, 496,218.45 and 302,818.70 is: 454,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,812.30 : 496,218.45 = 302,818.70 : x
  2. Step 2: Convert to fraction form
    330,812.30/496,218.45 = 302,818.70/x
  3. Step 3: Cross multiply
    330,812.30x = 496,218.45 × 302,818.70
  4. Step 4: Simplify right side
    330,812.30x = 150,264,225,945.02
  5. Step 5: Solve for x
    x = 150,264,225,945.02/330,812.30
  6. Step 6: Final answer
    x = 454,228.05

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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.