Home / 771,068.88-1,156,661.76-238,643.76

Finding the Fourth Proportional to 771,068.88, 1,156,661.76 and 238,643.76

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Solution

The fourth proportional to 771,068.88, 1,156,661.76 and 238,643.76 is: 357,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,068.88 : 1,156,661.76 = 238,643.76 : x
  2. Step 2: Convert to fraction form
    771,068.88/1,156,661.76 = 238,643.76/x
  3. Step 3: Cross multiply
    771,068.88x = 1,156,661.76 × 238,643.76
  4. Step 4: Simplify right side
    771,068.88x = 276,030,111,454.62
  5. Step 5: Solve for x
    x = 276,030,111,454.62/771,068.88
  6. Step 6: Final answer
    x = 357,983.73

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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.