Home / 916,499.66-1,374,870.23-340,044.51

Finding the Fourth Proportional to 916,499.66, 1,374,870.23 and 340,044.51

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Solution

The fourth proportional to 916,499.66, 1,374,870.23 and 340,044.51 is: 510,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,499.66 : 1,374,870.23 = 340,044.51 : x
  2. Step 2: Convert to fraction form
    916,499.66/1,374,870.23 = 340,044.51/x
  3. Step 3: Cross multiply
    916,499.66x = 1,374,870.23 × 340,044.51
  4. Step 4: Simplify right side
    916,499.66x = 467,517,073,673.94
  5. Step 5: Solve for x
    x = 467,517,073,673.94/916,499.66
  6. Step 6: Final answer
    x = 510,111.56

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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.