Home / 929,164.28-1,393,451.16-631,557.32

Finding the Fourth Proportional to 929,164.28, 1,393,451.16 and 631,557.32

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Solution

The fourth proportional to 929,164.28, 1,393,451.16 and 631,557.32 is: 947,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,164.28 : 1,393,451.16 = 631,557.32 : x
  2. Step 2: Convert to fraction form
    929,164.28/1,393,451.16 = 631,557.32/x
  3. Step 3: Cross multiply
    929,164.28x = 1,393,451.16 × 631,557.32
  4. Step 4: Simplify right side
    929,164.28x = 880,044,273,193.24
  5. Step 5: Solve for x
    x = 880,044,273,193.24/929,164.28
  6. Step 6: Final answer
    x = 947,135.29

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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.