Home / 841,404.60-1,262,114.10-280,439.10

Finding the Fourth Proportional to 841,404.60, 1,262,114.10 and 280,439.10

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Solution

The fourth proportional to 841,404.60, 1,262,114.10 and 280,439.10 is: 420,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,404.60 : 1,262,114.10 = 280,439.10 : x
  2. Step 2: Convert to fraction form
    841,404.60/1,262,114.10 = 280,439.10/x
  3. Step 3: Cross multiply
    841,404.60x = 1,262,114.10 × 280,439.10
  4. Step 4: Simplify right side
    841,404.60x = 353,946,142,301.31
  5. Step 5: Solve for x
    x = 353,946,142,301.31/841,404.60
  6. Step 6: Final answer
    x = 420,661.05

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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.