Home / 759,765.83-1,139,227.94-310,801.86

Finding the Fourth Proportional to 759,765.83, 1,139,227.94 and 310,801.86

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Solution

The fourth proportional to 759,765.83, 1,139,227.94 and 310,801.86 is: 466,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,765.83 : 1,139,227.94 = 310,801.86 : x
  2. Step 2: Convert to fraction form
    759,765.83/1,139,227.94 = 310,801.86/x
  3. Step 3: Cross multiply
    759,765.83x = 1,139,227.94 × 310,801.86
  4. Step 4: Simplify right side
    759,765.83x = 354,074,163,492.97
  5. Step 5: Solve for x
    x = 354,074,163,492.97/759,765.83
  6. Step 6: Final answer
    x = 466,030.65

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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.