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Finding the Fourth Proportional to 504,507.30, 756,384.30 and 304,785.60

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Solution

The fourth proportional to 504,507.30, 756,384.30 and 304,785.60 is: 456,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,507.30 : 756,384.30 = 304,785.60 : x
  2. Step 2: Convert to fraction form
    504,507.30/756,384.30 = 304,785.60/x
  3. Step 3: Cross multiply
    504,507.30x = 756,384.30 × 304,785.60
  4. Step 4: Simplify right side
    504,507.30x = 230,535,042,706.08
  5. Step 5: Solve for x
    x = 230,535,042,706.08/504,507.30
  6. Step 6: Final answer
    x = 456,950.86

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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.