Home / 634,864.41-876,110.31-348,389.28

Finding the Fourth Proportional to 634,864.41, 876,110.31 and 348,389.28

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Solution

The fourth proportional to 634,864.41, 876,110.31 and 348,389.28 is: 480,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,864.41 : 876,110.31 = 348,389.28 : x
  2. Step 2: Convert to fraction form
    634,864.41/876,110.31 = 348,389.28/x
  3. Step 3: Cross multiply
    634,864.41x = 876,110.31 × 348,389.28
  4. Step 4: Simplify right side
    634,864.41x = 305,227,440,101.48
  5. Step 5: Solve for x
    x = 305,227,440,101.48/634,864.41
  6. Step 6: Final answer
    x = 480,775.79

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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.