Home / 781,052.61-1,171,157.62-354,355.59

Finding the Fourth Proportional to 781,052.61, 1,171,157.62 and 354,355.59

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Solution

The fourth proportional to 781,052.61, 1,171,157.62 and 354,355.59 is: 531,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,052.61 : 1,171,157.62 = 354,355.59 : x
  2. Step 2: Convert to fraction form
    781,052.61/1,171,157.62 = 354,355.59/x
  3. Step 3: Cross multiply
    781,052.61x = 1,171,157.62 × 354,355.59
  4. Step 4: Simplify right side
    781,052.61x = 415,006,249,418.10
  5. Step 5: Solve for x
    x = 415,006,249,418.10/781,052.61
  6. Step 6: Final answer
    x = 531,342.25

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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.