Home / 686,613.60-1,027,846.80-603,669.60

Finding the Fourth Proportional to 686,613.60, 1,027,846.80 and 603,669.60

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Solution

The fourth proportional to 686,613.60, 1,027,846.80 and 603,669.60 is: 903,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,613.60 : 1,027,846.80 = 603,669.60 : x
  2. Step 2: Convert to fraction form
    686,613.60/1,027,846.80 = 603,669.60/x
  3. Step 3: Cross multiply
    686,613.60x = 1,027,846.80 × 603,669.60
  4. Step 4: Simplify right side
    686,613.60x = 620,479,866,617.28
  5. Step 5: Solve for x
    x = 620,479,866,617.28/686,613.60
  6. Step 6: Final answer
    x = 903,681.29

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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.