Home / 771,284.18-1,156,737.48-322,008.77

Finding the Fourth Proportional to 771,284.18, 1,156,737.48 and 322,008.77

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Solution

The fourth proportional to 771,284.18, 1,156,737.48 and 322,008.77 is: 482,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,284.18 : 1,156,737.48 = 322,008.77 : x
  2. Step 2: Convert to fraction form
    771,284.18/1,156,737.48 = 322,008.77/x
  3. Step 3: Cross multiply
    771,284.18x = 1,156,737.48 × 322,008.77
  4. Step 4: Simplify right side
    771,284.18x = 372,479,607,364.01
  5. Step 5: Solve for x
    x = 372,479,607,364.01/771,284.18
  6. Step 6: Final answer
    x = 482,934.33

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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.