Home / 538,217.04-807,344.03-285,155.22

Finding the Fourth Proportional to 538,217.04, 807,344.03 and 285,155.22

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Solution

The fourth proportional to 538,217.04, 807,344.03 and 285,155.22 is: 427,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,217.04 : 807,344.03 = 285,155.22 : x
  2. Step 2: Convert to fraction form
    538,217.04/807,344.03 = 285,155.22/x
  3. Step 3: Cross multiply
    538,217.04x = 807,344.03 × 285,155.22
  4. Step 4: Simplify right side
    538,217.04x = 230,218,364,490.34
  5. Step 5: Solve for x
    x = 230,218,364,490.34/538,217.04
  6. Step 6: Final answer
    x = 427,742.62

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1.5x scale

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.