Home / 763,701.02-1,053,908.11-419,559.25

Finding the Fourth Proportional to 763,701.02, 1,053,908.11 and 419,559.25

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Solution

The fourth proportional to 763,701.02, 1,053,908.11 and 419,559.25 is: 578,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,701.02 : 1,053,908.11 = 419,559.25 : x
  2. Step 2: Convert to fraction form
    763,701.02/1,053,908.11 = 419,559.25/x
  3. Step 3: Cross multiply
    763,701.02x = 1,053,908.11 × 419,559.25
  4. Step 4: Simplify right side
    763,701.02x = 442,176,889,619.85
  5. Step 5: Solve for x
    x = 442,176,889,619.85/763,701.02
  6. Step 6: Final answer
    x = 578,992.14

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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.