Home / 563,540.40-846,088.20-445,345.20

Finding the Fourth Proportional to 563,540.40, 846,088.20 and 445,345.20

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Solution

The fourth proportional to 563,540.40, 846,088.20 and 445,345.20 is: 668,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,540.40 : 846,088.20 = 445,345.20 : x
  2. Step 2: Convert to fraction form
    563,540.40/846,088.20 = 445,345.20/x
  3. Step 3: Cross multiply
    563,540.40x = 846,088.20 × 445,345.20
  4. Step 4: Simplify right side
    563,540.40x = 376,801,318,646.64
  5. Step 5: Solve for x
    x = 376,801,318,646.64/563,540.40
  6. Step 6: Final answer
    x = 668,632.31

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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.