Home / 758,384.41-1,137,579.73-189,763.95

Finding the Fourth Proportional to 758,384.41, 1,137,579.73 and 189,763.95

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Solution

The fourth proportional to 758,384.41, 1,137,579.73 and 189,763.95 is: 284,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,384.41 : 1,137,579.73 = 189,763.95 : x
  2. Step 2: Convert to fraction form
    758,384.41/1,137,579.73 = 189,763.95/x
  3. Step 3: Cross multiply
    758,384.41x = 1,137,579.73 × 189,763.95
  4. Step 4: Simplify right side
    758,384.41x = 215,871,623,004.73
  5. Step 5: Solve for x
    x = 215,871,623,004.73/758,384.41
  6. Step 6: Final answer
    x = 284,646.70

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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.