Home / 631,044.02-870,876.03-344,590.70

Finding the Fourth Proportional to 631,044.02, 870,876.03 and 344,590.70

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Solution

The fourth proportional to 631,044.02, 870,876.03 and 344,590.70 is: 475,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,044.02 : 870,876.03 = 344,590.70 : x
  2. Step 2: Convert to fraction form
    631,044.02/870,876.03 = 344,590.70/x
  3. Step 3: Cross multiply
    631,044.02x = 870,876.03 × 344,590.70
  4. Step 4: Simplify right side
    631,044.02x = 300,095,780,790.92
  5. Step 5: Solve for x
    x = 300,095,780,790.92/631,044.02
  6. Step 6: Final answer
    x = 475,554.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.