Home / 563,486.40-846,007.20-445,291.20

Finding the Fourth Proportional to 563,486.40, 846,007.20 and 445,291.20

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Solution

The fourth proportional to 563,486.40, 846,007.20 and 445,291.20 is: 668,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,486.40 : 846,007.20 = 445,291.20 : x
  2. Step 2: Convert to fraction form
    563,486.40/846,007.20 = 445,291.20/x
  3. Step 3: Cross multiply
    563,486.40x = 846,007.20 × 445,291.20
  4. Step 4: Simplify right side
    563,486.40x = 376,719,561,296.64
  5. Step 5: Solve for x
    x = 376,719,561,296.64/563,486.40
  6. Step 6: Final answer
    x = 668,551.29

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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.