Home / 564,795.30-847,849.05-340,409.10

Finding the Fourth Proportional to 564,795.30, 847,849.05 and 340,409.10

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Solution

The fourth proportional to 564,795.30, 847,849.05 and 340,409.10 is: 511,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,795.30 : 847,849.05 = 340,409.10 : x
  2. Step 2: Convert to fraction form
    564,795.30/847,849.05 = 340,409.10/x
  3. Step 3: Cross multiply
    564,795.30x = 847,849.05 × 340,409.10
  4. Step 4: Simplify right side
    564,795.30x = 288,615,532,046.36
  5. Step 5: Solve for x
    x = 288,615,532,046.36/564,795.30
  6. Step 6: Final answer
    x = 511,009.09

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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.