Home / 899,773.80-1,349,660.70-858,301.80

Finding the Fourth Proportional to 899,773.80, 1,349,660.70 and 858,301.80

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Solution

The fourth proportional to 899,773.80, 1,349,660.70 and 858,301.80 is: 1,287,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,773.80 : 1,349,660.70 = 858,301.80 : x
  2. Step 2: Convert to fraction form
    899,773.80/1,349,660.70 = 858,301.80/x
  3. Step 3: Cross multiply
    899,773.80x = 1,349,660.70 × 858,301.80
  4. Step 4: Simplify right side
    899,773.80x = 1,158,416,208,199.26
  5. Step 5: Solve for x
    x = 1,158,416,208,199.26/899,773.80
  6. Step 6: Final answer
    x = 1,287,452.70

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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.