Home / 886,122.50-1,222,687.74-498,877.70

Finding the Fourth Proportional to 886,122.50, 1,222,687.74 and 498,877.70

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Solution

The fourth proportional to 886,122.50, 1,222,687.74 and 498,877.70 is: 688,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,122.50 : 1,222,687.74 = 498,877.70 : x
  2. Step 2: Convert to fraction form
    886,122.50/1,222,687.74 = 498,877.70/x
  3. Step 3: Cross multiply
    886,122.50x = 1,222,687.74 × 498,877.70
  4. Step 4: Simplify right side
    886,122.50x = 609,971,638,941.57
  5. Step 5: Solve for x
    x = 609,971,638,941.57/886,122.50
  6. Step 6: Final answer
    x = 688,360.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.