Home / 872,472.84-1,308,456.36-339,875.16

Finding the Fourth Proportional to 872,472.84, 1,308,456.36 and 339,875.16

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Solution

The fourth proportional to 872,472.84, 1,308,456.36 and 339,875.16 is: 509,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,472.84 : 1,308,456.36 = 339,875.16 : x
  2. Step 2: Convert to fraction form
    872,472.84/1,308,456.36 = 339,875.16/x
  3. Step 3: Cross multiply
    872,472.84x = 1,308,456.36 × 339,875.16
  4. Step 4: Simplify right side
    872,472.84x = 444,711,814,708.02
  5. Step 5: Solve for x
    x = 444,711,814,708.02/872,472.84
  6. Step 6: Final answer
    x = 509,714.22

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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.