Home / 916,344.96-1,373,965.02-410,814.54

Finding the Fourth Proportional to 916,344.96, 1,373,965.02 and 410,814.54

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Solution

The fourth proportional to 916,344.96, 1,373,965.02 and 410,814.54 is: 615,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,344.96 : 1,373,965.02 = 410,814.54 : x
  2. Step 2: Convert to fraction form
    916,344.96/1,373,965.02 = 410,814.54/x
  3. Step 3: Cross multiply
    916,344.96x = 1,373,965.02 × 410,814.54
  4. Step 4: Simplify right side
    916,344.96x = 564,444,807,667.39
  5. Step 5: Solve for x
    x = 564,444,807,667.39/916,344.96
  6. Step 6: Final answer
    x = 615,974.15

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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.