Home / 899,209.80-1,348,814.70-857,737.80

Finding the Fourth Proportional to 899,209.80, 1,348,814.70 and 857,737.80

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Solution

The fourth proportional to 899,209.80, 1,348,814.70 and 857,737.80 is: 1,286,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,209.80 : 1,348,814.70 = 857,737.80 : x
  2. Step 2: Convert to fraction form
    899,209.80/1,348,814.70 = 857,737.80/x
  3. Step 3: Cross multiply
    899,209.80x = 1,348,814.70 × 857,737.80
  4. Step 4: Simplify right side
    899,209.80x = 1,156,929,353,385.66
  5. Step 5: Solve for x
    x = 1,156,929,353,385.66/899,209.80
  6. Step 6: Final answer
    x = 1,286,606.70

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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.