Home / 686,895.80-1,029,616.50-231,053.08

Finding the Fourth Proportional to 686,895.80, 1,029,616.50 and 231,053.08

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Solution

The fourth proportional to 686,895.80, 1,029,616.50 and 231,053.08 is: 346,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,895.80 : 1,029,616.50 = 231,053.08 : x
  2. Step 2: Convert to fraction form
    686,895.80/1,029,616.50 = 231,053.08/x
  3. Step 3: Cross multiply
    686,895.80x = 1,029,616.50 × 231,053.08
  4. Step 4: Simplify right side
    686,895.80x = 237,896,063,543.82
  5. Step 5: Solve for x
    x = 237,896,063,543.82/686,895.80
  6. Step 6: Final answer
    x = 346,335.01

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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.