Home / 852,111.80-1,176,018.44-489,535

Finding the Fourth Proportional to 852,111.80, 1,176,018.44 and 489,535

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Solution

The fourth proportional to 852,111.80, 1,176,018.44 and 489,535 is: 675,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,111.80 : 1,176,018.44 = 489,535 : x
  2. Step 2: Convert to fraction form
    852,111.80/1,176,018.44 = 489,535/x
  3. Step 3: Cross multiply
    852,111.80x = 1,176,018.44 × 489,535
  4. Step 4: Simplify right side
    852,111.80x = 575,702,187,025.40
  5. Step 5: Solve for x
    x = 575,702,187,025.40/852,111.80
  6. Step 6: Final answer
    x = 675,618.14

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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.