Home / 677,837.28-935,495.28-376,050.72

Finding the Fourth Proportional to 677,837.28, 935,495.28 and 376,050.72

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Solution

The fourth proportional to 677,837.28, 935,495.28 and 376,050.72 is: 518,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,837.28 : 935,495.28 = 376,050.72 : x
  2. Step 2: Convert to fraction form
    677,837.28/935,495.28 = 376,050.72/x
  3. Step 3: Cross multiply
    677,837.28x = 935,495.28 × 376,050.72
  4. Step 4: Simplify right side
    677,837.28x = 351,793,673,600.60
  5. Step 5: Solve for x
    x = 351,793,673,600.60/677,837.28
  6. Step 6: Final answer
    x = 518,994.28

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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.