Home / 899,448.17-1,348,787.98-520,630.37

Finding the Fourth Proportional to 899,448.17, 1,348,787.98 and 520,630.37

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Solution

The fourth proportional to 899,448.17, 1,348,787.98 and 520,630.37 is: 780,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,448.17 : 1,348,787.98 = 520,630.37 : x
  2. Step 2: Convert to fraction form
    899,448.17/1,348,787.98 = 520,630.37/x
  3. Step 3: Cross multiply
    899,448.17x = 1,348,787.98 × 520,630.37
  4. Step 4: Simplify right side
    899,448.17x = 702,219,985,847.77
  5. Step 5: Solve for x
    x = 702,219,985,847.77/899,448.17
  6. Step 6: Final answer
    x = 780,723.12

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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.