Home / 502,821.24-693,892.62-288,030.84

Finding the Fourth Proportional to 502,821.24, 693,892.62 and 288,030.84

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Solution

The fourth proportional to 502,821.24, 693,892.62 and 288,030.84 is: 397,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,821.24 : 693,892.62 = 288,030.84 : x
  2. Step 2: Convert to fraction form
    502,821.24/693,892.62 = 288,030.84/x
  3. Step 3: Cross multiply
    502,821.24x = 693,892.62 × 288,030.84
  4. Step 4: Simplify right side
    502,821.24x = 199,862,474,208.40
  5. Step 5: Solve for x
    x = 199,862,474,208.40/502,821.24
  6. Step 6: Final answer
    x = 397,482.16

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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.