Home / 865,707.36-1,298,700.62-266,667.95

Finding the Fourth Proportional to 865,707.36, 1,298,700.62 and 266,667.95

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Solution

The fourth proportional to 865,707.36, 1,298,700.62 and 266,667.95 is: 400,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,707.36 : 1,298,700.62 = 266,667.95 : x
  2. Step 2: Convert to fraction form
    865,707.36/1,298,700.62 = 266,667.95/x
  3. Step 3: Cross multiply
    865,707.36x = 1,298,700.62 × 266,667.95
  4. Step 4: Simplify right side
    865,707.36x = 346,321,824,172.29
  5. Step 5: Solve for x
    x = 346,321,824,172.29/865,707.36
  6. Step 6: Final answer
    x = 400,044.91

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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.