Home / 791,467.36-1,092,178.56-469,208.32

Finding the Fourth Proportional to 791,467.36, 1,092,178.56 and 469,208.32

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Solution

The fourth proportional to 791,467.36, 1,092,178.56 and 469,208.32 is: 647,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,467.36 : 1,092,178.56 = 469,208.32 : x
  2. Step 2: Convert to fraction form
    791,467.36/1,092,178.56 = 469,208.32/x
  3. Step 3: Cross multiply
    791,467.36x = 1,092,178.56 × 469,208.32
  4. Step 4: Simplify right side
    791,467.36x = 512,459,267,277.62
  5. Step 5: Solve for x
    x = 512,459,267,277.62/791,467.36
  6. Step 6: Final answer
    x = 647,479.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.