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Finding the Fourth Proportional to 503,106.30, 754,695.90 and 302,995.80

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Solution

The fourth proportional to 503,106.30, 754,695.90 and 302,995.80 is: 454,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,106.30 : 754,695.90 = 302,995.80 : x
  2. Step 2: Convert to fraction form
    503,106.30/754,695.90 = 302,995.80/x
  3. Step 3: Cross multiply
    503,106.30x = 754,695.90 × 302,995.80
  4. Step 4: Simplify right side
    503,106.30x = 228,669,687,977.22
  5. Step 5: Solve for x
    x = 228,669,687,977.22/503,106.30
  6. Step 6: Final answer
    x = 454,515.65

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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.