Home / 913,925.36-1,371,019.23-314,725.64

Finding the Fourth Proportional to 913,925.36, 1,371,019.23 and 314,725.64

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Solution

The fourth proportional to 913,925.36, 1,371,019.23 and 314,725.64 is: 472,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,925.36 : 1,371,019.23 = 314,725.64 : x
  2. Step 2: Convert to fraction form
    913,925.36/1,371,019.23 = 314,725.64/x
  3. Step 3: Cross multiply
    913,925.36x = 1,371,019.23 × 314,725.64
  4. Step 4: Simplify right side
    913,925.36x = 431,494,897,758.96
  5. Step 5: Solve for x
    x = 431,494,897,758.96/913,925.36
  6. Step 6: Final answer
    x = 472,133.63

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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.