Home / 774,826.91-1,069,209.26-430,640.50

Finding the Fourth Proportional to 774,826.91, 1,069,209.26 and 430,640.50

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Solution

The fourth proportional to 774,826.91, 1,069,209.26 and 430,640.50 is: 594,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,826.91 : 1,069,209.26 = 430,640.50 : x
  2. Step 2: Convert to fraction form
    774,826.91/1,069,209.26 = 430,640.50/x
  3. Step 3: Cross multiply
    774,826.91x = 1,069,209.26 × 430,640.50
  4. Step 4: Simplify right side
    774,826.91x = 460,444,811,546.83
  5. Step 5: Solve for x
    x = 460,444,811,546.83/774,826.91
  6. Step 6: Final answer
    x = 594,255.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.