Home / 870,018.76-1,304,777.58-238,953.16

Finding the Fourth Proportional to 870,018.76, 1,304,777.58 and 238,953.16

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Solution

The fourth proportional to 870,018.76, 1,304,777.58 and 238,953.16 is: 358,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,018.76 : 1,304,777.58 = 238,953.16 : x
  2. Step 2: Convert to fraction form
    870,018.76/1,304,777.58 = 238,953.16/x
  3. Step 3: Cross multiply
    870,018.76x = 1,304,777.58 × 238,953.16
  4. Step 4: Simplify right side
    870,018.76x = 311,780,725,838.15
  5. Step 5: Solve for x
    x = 311,780,725,838.15/870,018.76
  6. Step 6: Final answer
    x = 358,360.92

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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.