Home / 845,185.61-1,268,188.47-371,809.46

Finding the Fourth Proportional to 845,185.61, 1,268,188.47 and 371,809.46

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Solution

The fourth proportional to 845,185.61, 1,268,188.47 and 371,809.46 is: 557,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,185.61 : 1,268,188.47 = 371,809.46 : x
  2. Step 2: Convert to fraction form
    845,185.61/1,268,188.47 = 371,809.46/x
  3. Step 3: Cross multiply
    845,185.61x = 1,268,188.47 × 371,809.46
  4. Step 4: Simplify right side
    845,185.61x = 471,524,463,867.98
  5. Step 5: Solve for x
    x = 471,524,463,867.98/845,185.61
  6. Step 6: Final answer
    x = 557,894.57

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Double scale
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1.5x scale

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.