Home / 929,223.70-1,393,540.20-631,616.74

Finding the Fourth Proportional to 929,223.70, 1,393,540.20 and 631,616.74

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Solution

The fourth proportional to 929,223.70, 1,393,540.20 and 631,616.74 is: 947,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,223.70 : 1,393,540.20 = 631,616.74 : x
  2. Step 2: Convert to fraction form
    929,223.70/1,393,540.20 = 631,616.74/x
  3. Step 3: Cross multiply
    929,223.70x = 1,393,540.20 × 631,616.74
  4. Step 4: Simplify right side
    929,223.70x = 880,183,314,699.10
  5. Step 5: Solve for x
    x = 880,183,314,699.10/929,223.70
  6. Step 6: Final answer
    x = 947,224.35

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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.