Home / 677,344.17-1,015,886.76-340,291.43

Finding the Fourth Proportional to 677,344.17, 1,015,886.76 and 340,291.43

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Solution

The fourth proportional to 677,344.17, 1,015,886.76 and 340,291.43 is: 510,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,344.17 : 1,015,886.76 = 340,291.43 : x
  2. Step 2: Convert to fraction form
    677,344.17/1,015,886.76 = 340,291.43/x
  3. Step 3: Cross multiply
    677,344.17x = 1,015,886.76 × 340,291.43
  4. Step 4: Simplify right side
    677,344.17x = 345,697,553,199.03
  5. Step 5: Solve for x
    x = 345,697,553,199.03/677,344.17
  6. Step 6: Final answer
    x = 510,372.08

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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.