Home / 677,643.58-1,016,094.25-312,508.95

Finding the Fourth Proportional to 677,643.58, 1,016,094.25 and 312,508.95

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Solution

The fourth proportional to 677,643.58, 1,016,094.25 and 312,508.95 is: 468,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,643.58 : 1,016,094.25 = 312,508.95 : x
  2. Step 2: Convert to fraction form
    677,643.58/1,016,094.25 = 312,508.95/x
  3. Step 3: Cross multiply
    677,643.58x = 1,016,094.25 × 312,508.95
  4. Step 4: Simplify right side
    677,643.58x = 317,538,547,168.54
  5. Step 5: Solve for x
    x = 317,538,547,168.54/677,643.58
  6. Step 6: Final answer
    x = 468,592.28

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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.