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Finding the Fourth Proportional to 581,852.74, 870,912.24 and 311,304.07

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Solution

The fourth proportional to 581,852.74, 870,912.24 and 311,304.07 is: 465,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,852.74 : 870,912.24 = 311,304.07 : x
  2. Step 2: Convert to fraction form
    581,852.74/870,912.24 = 311,304.07/x
  3. Step 3: Cross multiply
    581,852.74x = 870,912.24 × 311,304.07
  4. Step 4: Simplify right side
    581,852.74x = 271,118,524,924.82
  5. Step 5: Solve for x
    x = 271,118,524,924.82/581,852.74
  6. Step 6: Final answer
    x = 465,957.29

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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.