Home / 537,447.04-806,309.06-385,819.90

Finding the Fourth Proportional to 537,447.04, 806,309.06 and 385,819.90

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Solution

The fourth proportional to 537,447.04, 806,309.06 and 385,819.90 is: 578,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,447.04 : 806,309.06 = 385,819.90 : x
  2. Step 2: Convert to fraction form
    537,447.04/806,309.06 = 385,819.90/x
  3. Step 3: Cross multiply
    537,447.04x = 806,309.06 × 385,819.90
  4. Step 4: Simplify right side
    537,447.04x = 311,090,080,898.29
  5. Step 5: Solve for x
    x = 311,090,080,898.29/537,447.04
  6. Step 6: Final answer
    x = 578,829.28

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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.