Home / 822,654.91-1,234,009.67-282,905.86

Finding the Fourth Proportional to 822,654.91, 1,234,009.67 and 282,905.86

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Solution

The fourth proportional to 822,654.91, 1,234,009.67 and 282,905.86 is: 424,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,654.91 : 1,234,009.67 = 282,905.86 : x
  2. Step 2: Convert to fraction form
    822,654.91/1,234,009.67 = 282,905.86/x
  3. Step 3: Cross multiply
    822,654.91x = 1,234,009.67 × 282,905.86
  4. Step 4: Simplify right side
    822,654.91x = 349,108,566,939.67
  5. Step 5: Solve for x
    x = 349,108,566,939.67/822,654.91
  6. Step 6: Final answer
    x = 424,368.18

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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.