Home / 869,389.02-1,304,092.62-238,302.90

Finding the Fourth Proportional to 869,389.02, 1,304,092.62 and 238,302.90

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Solution

The fourth proportional to 869,389.02, 1,304,092.62 and 238,302.90 is: 357,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,389.02 : 1,304,092.62 = 238,302.90 : x
  2. Step 2: Convert to fraction form
    869,389.02/1,304,092.62 = 238,302.90/x
  3. Step 3: Cross multiply
    869,389.02x = 1,304,092.62 × 238,302.90
  4. Step 4: Simplify right side
    869,389.02x = 310,769,053,214.60
  5. Step 5: Solve for x
    x = 310,769,053,214.60/869,389.02
  6. Step 6: Final answer
    x = 357,456.84

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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.