Home / 502,769.06-693,970.89-288,052.10

Finding the Fourth Proportional to 502,769.06, 693,970.89 and 288,052.10

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Solution

The fourth proportional to 502,769.06, 693,970.89 and 288,052.10 is: 397,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,769.06 : 693,970.89 = 288,052.10 : x
  2. Step 2: Convert to fraction form
    502,769.06/693,970.89 = 288,052.10/x
  3. Step 3: Cross multiply
    502,769.06x = 693,970.89 × 288,052.10
  4. Step 4: Simplify right side
    502,769.06x = 199,899,772,203.37
  5. Step 5: Solve for x
    x = 199,899,772,203.37/502,769.06
  6. Step 6: Final answer
    x = 397,597.60

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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.