Home / 830,420.76-1,146,003.48-508,125

Finding the Fourth Proportional to 830,420.76, 1,146,003.48 and 508,125

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Solution

The fourth proportional to 830,420.76, 1,146,003.48 and 508,125 is: 701,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,420.76 : 1,146,003.48 = 508,125 : x
  2. Step 2: Convert to fraction form
    830,420.76/1,146,003.48 = 508,125/x
  3. Step 3: Cross multiply
    830,420.76x = 1,146,003.48 × 508,125
  4. Step 4: Simplify right side
    830,420.76x = 582,313,018,275
  5. Step 5: Solve for x
    x = 582,313,018,275/830,420.76
  6. Step 6: Final answer
    x = 701,226.47

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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.