Home / 800,345.55-1,104,572.12-460,879.95

Finding the Fourth Proportional to 800,345.55, 1,104,572.12 and 460,879.95

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Solution

The fourth proportional to 800,345.55, 1,104,572.12 and 460,879.95 is: 636,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,345.55 : 1,104,572.12 = 460,879.95 : x
  2. Step 2: Convert to fraction form
    800,345.55/1,104,572.12 = 460,879.95/x
  3. Step 3: Cross multiply
    800,345.55x = 1,104,572.12 × 460,879.95
  4. Step 4: Simplify right side
    800,345.55x = 509,075,141,132.59
  5. Step 5: Solve for x
    x = 509,075,141,132.59/800,345.55
  6. Step 6: Final answer
    x = 636,069.18

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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.