Home / 845,996.97-1,268,699.81-340,426.77

Finding the Fourth Proportional to 845,996.97, 1,268,699.81 and 340,426.77

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Solution

The fourth proportional to 845,996.97, 1,268,699.81 and 340,426.77 is: 510,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,996.97 : 1,268,699.81 = 340,426.77 : x
  2. Step 2: Convert to fraction form
    845,996.97/1,268,699.81 = 340,426.77/x
  3. Step 3: Cross multiply
    845,996.97x = 1,268,699.81 × 340,426.77
  4. Step 4: Simplify right side
    845,996.97x = 431,899,376,715.78
  5. Step 5: Solve for x
    x = 431,899,376,715.78/845,996.97
  6. Step 6: Final answer
    x = 510,521.19

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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.