Home / 834,921.65-1,252,379.40-302,318.12

Finding the Fourth Proportional to 834,921.65, 1,252,379.40 and 302,318.12

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Solution

The fourth proportional to 834,921.65, 1,252,379.40 and 302,318.12 is: 453,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,921.65 : 1,252,379.40 = 302,318.12 : x
  2. Step 2: Convert to fraction form
    834,921.65/1,252,379.40 = 302,318.12/x
  3. Step 3: Cross multiply
    834,921.65x = 1,252,379.40 × 302,318.12
  4. Step 4: Simplify right side
    834,921.65x = 378,616,979,472.83
  5. Step 5: Solve for x
    x = 378,616,979,472.83/834,921.65
  6. Step 6: Final answer
    x = 453,476.06

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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.