Home / 679,509.53-1,019,264.47-199,737.35

Finding the Fourth Proportional to 679,509.53, 1,019,264.47 and 199,737.35

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Solution

The fourth proportional to 679,509.53, 1,019,264.47 and 199,737.35 is: 299,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,509.53 : 1,019,264.47 = 199,737.35 : x
  2. Step 2: Convert to fraction form
    679,509.53/1,019,264.47 = 199,737.35/x
  3. Step 3: Cross multiply
    679,509.53x = 1,019,264.47 × 199,737.35
  4. Step 4: Simplify right side
    679,509.53x = 203,585,178,591.29
  5. Step 5: Solve for x
    x = 203,585,178,591.29/679,509.53
  6. Step 6: Final answer
    x = 299,606.07

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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.