Home / 530,016.08-731,473.80-395,646.80

Finding the Fourth Proportional to 530,016.08, 731,473.80 and 395,646.80

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Solution

The fourth proportional to 530,016.08, 731,473.80 and 395,646.80 is: 546,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,016.08 : 731,473.80 = 395,646.80 : x
  2. Step 2: Convert to fraction form
    530,016.08/731,473.80 = 395,646.80/x
  3. Step 3: Cross multiply
    530,016.08x = 731,473.80 × 395,646.80
  4. Step 4: Simplify right side
    530,016.08x = 289,405,268,253.84
  5. Step 5: Solve for x
    x = 289,405,268,253.84/530,016.08
  6. Step 6: Final answer
    x = 546,031.11

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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.