Home / 719,856.42-1,079,981.91-314,975.25

Finding the Fourth Proportional to 719,856.42, 1,079,981.91 and 314,975.25

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Solution

The fourth proportional to 719,856.42, 1,079,981.91 and 314,975.25 is: 472,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,856.42 : 1,079,981.91 = 314,975.25 : x
  2. Step 2: Convert to fraction form
    719,856.42/1,079,981.91 = 314,975.25/x
  3. Step 3: Cross multiply
    719,856.42x = 1,079,981.91 × 314,975.25
  4. Step 4: Simplify right side
    719,856.42x = 340,167,572,097.73
  5. Step 5: Solve for x
    x = 340,167,572,097.73/719,856.42
  6. Step 6: Final answer
    x = 472,549.20

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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.