Home / 772,071.14-1,157,964.56-322,671.35

Finding the Fourth Proportional to 772,071.14, 1,157,964.56 and 322,671.35

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Solution

The fourth proportional to 772,071.14, 1,157,964.56 and 322,671.35 is: 483,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,071.14 : 1,157,964.56 = 322,671.35 : x
  2. Step 2: Convert to fraction form
    772,071.14/1,157,964.56 = 322,671.35/x
  3. Step 3: Cross multiply
    772,071.14x = 1,157,964.56 × 322,671.35
  4. Step 4: Simplify right side
    772,071.14x = 373,641,983,805.38
  5. Step 5: Solve for x
    x = 373,641,983,805.38/772,071.14
  6. Step 6: Final answer
    x = 483,947.61

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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.