Home / 765,588.16-1,149,180.26-339,423.25

Finding the Fourth Proportional to 765,588.16, 1,149,180.26 and 339,423.25

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Solution

The fourth proportional to 765,588.16, 1,149,180.26 and 339,423.25 is: 509,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,588.16 : 1,149,180.26 = 339,423.25 : x
  2. Step 2: Convert to fraction form
    765,588.16/1,149,180.26 = 339,423.25/x
  3. Step 3: Cross multiply
    765,588.16x = 1,149,180.26 × 339,423.25
  4. Step 4: Simplify right side
    765,588.16x = 390,058,494,114.98
  5. Step 5: Solve for x
    x = 390,058,494,114.98/765,588.16
  6. Step 6: Final answer
    x = 509,488.67

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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.