Home / 845,034.97-1,266,666.72-312,216.16

Finding the Fourth Proportional to 845,034.97, 1,266,666.72 and 312,216.16

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Solution

The fourth proportional to 845,034.97, 1,266,666.72 and 312,216.16 is: 467,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,034.97 : 1,266,666.72 = 312,216.16 : x
  2. Step 2: Convert to fraction form
    845,034.97/1,266,666.72 = 312,216.16/x
  3. Step 3: Cross multiply
    845,034.97x = 1,266,666.72 × 312,216.16
  4. Step 4: Simplify right side
    845,034.97x = 395,473,818,233.83
  5. Step 5: Solve for x
    x = 395,473,818,233.83/845,034.97
  6. Step 6: Final answer
    x = 467,996.99

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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.