Home / 899,432.85-1,348,765.23-520,615.06

Finding the Fourth Proportional to 899,432.85, 1,348,765.23 and 520,615.06

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Solution

The fourth proportional to 899,432.85, 1,348,765.23 and 520,615.06 is: 780,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,432.85 : 1,348,765.23 = 520,615.06 : x
  2. Step 2: Convert to fraction form
    899,432.85/1,348,765.23 = 520,615.06/x
  3. Step 3: Cross multiply
    899,432.85x = 1,348,765.23 × 520,615.06
  4. Step 4: Simplify right side
    899,432.85x = 702,187,490,835.06
  5. Step 5: Solve for x
    x = 702,187,490,835.06/899,432.85
  6. Step 6: Final answer
    x = 780,700.29

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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.