Home / 719,301.53-1,079,154.60-314,529.35

Finding the Fourth Proportional to 719,301.53, 1,079,154.60 and 314,529.35

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Solution

The fourth proportional to 719,301.53, 1,079,154.60 and 314,529.35 is: 471,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,301.53 : 1,079,154.60 = 314,529.35 : x
  2. Step 2: Convert to fraction form
    719,301.53/1,079,154.60 = 314,529.35/x
  3. Step 3: Cross multiply
    719,301.53x = 1,079,154.60 × 314,529.35
  4. Step 4: Simplify right side
    719,301.53x = 339,425,788,312.25
  5. Step 5: Solve for x
    x = 339,425,788,312.25/719,301.53
  6. Step 6: Final answer
    x = 471,882.48

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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.