Home / 614,455.20-921,682.80-314,836.20

Finding the Fourth Proportional to 614,455.20, 921,682.80 and 314,836.20

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Solution

The fourth proportional to 614,455.20, 921,682.80 and 314,836.20 is: 472,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,455.20 : 921,682.80 = 314,836.20 : x
  2. Step 2: Convert to fraction form
    614,455.20/921,682.80 = 314,836.20/x
  3. Step 3: Cross multiply
    614,455.20x = 921,682.80 × 314,836.20
  4. Step 4: Simplify right side
    614,455.20x = 290,179,110,357.36
  5. Step 5: Solve for x
    x = 290,179,110,357.36/614,455.20
  6. Step 6: Final answer
    x = 472,254.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.