Home / 899,200.80-1,347,638.49-672,784.79

Finding the Fourth Proportional to 899,200.80, 1,347,638.49 and 672,784.79

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Solution

The fourth proportional to 899,200.80, 1,347,638.49 and 672,784.79 is: 1,008,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,200.80 : 1,347,638.49 = 672,784.79 : x
  2. Step 2: Convert to fraction form
    899,200.80/1,347,638.49 = 672,784.79/x
  3. Step 3: Cross multiply
    899,200.80x = 1,347,638.49 × 672,784.79
  4. Step 4: Simplify right side
    899,200.80x = 906,670,671,752.38
  5. Step 5: Solve for x
    x = 906,670,671,752.38/899,200.80
  6. Step 6: Final answer
    x = 1,008,307.23

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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.