Home / 830,375.36-1,146,002.66-508,298.30

Finding the Fourth Proportional to 830,375.36, 1,146,002.66 and 508,298.30

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Solution

The fourth proportional to 830,375.36, 1,146,002.66 and 508,298.30 is: 701,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,375.36 : 1,146,002.66 = 508,298.30 : x
  2. Step 2: Convert to fraction form
    830,375.36/1,146,002.66 = 508,298.30/x
  3. Step 3: Cross multiply
    830,375.36x = 1,146,002.66 × 508,298.30
  4. Step 4: Simplify right side
    830,375.36x = 582,511,195,601.97
  5. Step 5: Solve for x
    x = 582,511,195,601.97/830,375.36
  6. Step 6: Final answer
    x = 701,503.47

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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.