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Finding the Fourth Proportional to 538,216.04, 807,342.53 and 285,154.22

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Solution

The fourth proportional to 538,216.04, 807,342.53 and 285,154.22 is: 427,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,216.04 : 807,342.53 = 285,154.22 : x
  2. Step 2: Convert to fraction form
    538,216.04/807,342.53 = 285,154.22/x
  3. Step 3: Cross multiply
    538,216.04x = 807,342.53 × 285,154.22
  4. Step 4: Simplify right side
    538,216.04x = 230,217,130,007.56
  5. Step 5: Solve for x
    x = 230,217,130,007.56/538,216.04
  6. Step 6: Final answer
    x = 427,741.11

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Similar ratio
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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.