Home / 865,204.14-1,297,955.67-385,602.33

Finding the Fourth Proportional to 865,204.14, 1,297,955.67 and 385,602.33

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Solution

The fourth proportional to 865,204.14, 1,297,955.67 and 385,602.33 is: 578,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,204.14 : 1,297,955.67 = 385,602.33 : x
  2. Step 2: Convert to fraction form
    865,204.14/1,297,955.67 = 385,602.33/x
  3. Step 3: Cross multiply
    865,204.14x = 1,297,955.67 × 385,602.33
  4. Step 4: Simplify right side
    865,204.14x = 500,494,730,588.71
  5. Step 5: Solve for x
    x = 500,494,730,588.71/865,204.14
  6. Step 6: Final answer
    x = 578,470.11

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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.