Home / 859,444.92-1,289,386.49-403,947.95

Finding the Fourth Proportional to 859,444.92, 1,289,386.49 and 403,947.95

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Solution

The fourth proportional to 859,444.92, 1,289,386.49 and 403,947.95 is: 606,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,444.92 : 1,289,386.49 = 403,947.95 : x
  2. Step 2: Convert to fraction form
    859,444.92/1,289,386.49 = 403,947.95/x
  3. Step 3: Cross multiply
    859,444.92x = 1,289,386.49 × 403,947.95
  4. Step 4: Simplify right side
    859,444.92x = 520,845,020,926.52
  5. Step 5: Solve for x
    x = 520,845,020,926.52/859,444.92
  6. Step 6: Final answer
    x = 606,024.90

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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.