Home / 785,078.60-1,176,408.30-584,457.80

Finding the Fourth Proportional to 785,078.60, 1,176,408.30 and 584,457.80

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Solution

The fourth proportional to 785,078.60, 1,176,408.30 and 584,457.80 is: 875,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,078.60 : 1,176,408.30 = 584,457.80 : x
  2. Step 2: Convert to fraction form
    785,078.60/1,176,408.30 = 584,457.80/x
  3. Step 3: Cross multiply
    785,078.60x = 1,176,408.30 × 584,457.80
  4. Step 4: Simplify right side
    785,078.60x = 687,561,006,919.74
  5. Step 5: Solve for x
    x = 687,561,006,919.74/785,078.60
  6. Step 6: Final answer
    x = 875,786.20

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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.