Home / 768,916.92-1,061,135.36-424,770.60

Finding the Fourth Proportional to 768,916.92, 1,061,135.36 and 424,770.60

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Solution

The fourth proportional to 768,916.92, 1,061,135.36 and 424,770.60 is: 586,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,916.92 : 1,061,135.36 = 424,770.60 : x
  2. Step 2: Convert to fraction form
    768,916.92/1,061,135.36 = 424,770.60/x
  3. Step 3: Cross multiply
    768,916.92x = 1,061,135.36 × 424,770.60
  4. Step 4: Simplify right side
    768,916.92x = 450,739,103,548.42
  5. Step 5: Solve for x
    x = 450,739,103,548.42/768,916.92
  6. Step 6: Final answer
    x = 586,200.01

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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.