Home / 826,478.53-1,140,557.29-463,928.60

Finding the Fourth Proportional to 826,478.53, 1,140,557.29 and 463,928.60

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Solution

The fourth proportional to 826,478.53, 1,140,557.29 and 463,928.60 is: 640,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,478.53 : 1,140,557.29 = 463,928.60 : x
  2. Step 2: Convert to fraction form
    826,478.53/1,140,557.29 = 463,928.60/x
  3. Step 3: Cross multiply
    826,478.53x = 1,140,557.29 × 463,928.60
  4. Step 4: Simplify right side
    826,478.53x = 529,137,148,461.07
  5. Step 5: Solve for x
    x = 529,137,148,461.07/826,478.53
  6. Step 6: Final answer
    x = 640,230.97

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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.