Home / 870,018.51-1,304,777.21-238,952.91

Finding the Fourth Proportional to 870,018.51, 1,304,777.21 and 238,952.91

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Solution

The fourth proportional to 870,018.51, 1,304,777.21 and 238,952.91 is: 358,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,018.51 : 1,304,777.21 = 238,952.91 : x
  2. Step 2: Convert to fraction form
    870,018.51/1,304,777.21 = 238,952.91/x
  3. Step 3: Cross multiply
    870,018.51x = 1,304,777.21 × 238,952.91
  4. Step 4: Simplify right side
    870,018.51x = 311,780,310,036.42
  5. Step 5: Solve for x
    x = 311,780,310,036.42/870,018.51
  6. Step 6: Final answer
    x = 358,360.55

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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.