Home / 849,409.73-1,172,185.61-467,436.50

Finding the Fourth Proportional to 849,409.73, 1,172,185.61 and 467,436.50

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Solution

The fourth proportional to 849,409.73, 1,172,185.61 and 467,436.50 is: 645,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,409.73 : 1,172,185.61 = 467,436.50 : x
  2. Step 2: Convert to fraction form
    849,409.73/1,172,185.61 = 467,436.50/x
  3. Step 3: Cross multiply
    849,409.73x = 1,172,185.61 × 467,436.50
  4. Step 4: Simplify right side
    849,409.73x = 547,922,339,482.05
  5. Step 5: Solve for x
    x = 547,922,339,482.05/849,409.73
  6. Step 6: Final answer
    x = 645,062.47

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1.5x scale

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.