Home / 859,637.30-1,289,455.95-461,056.55

Finding the Fourth Proportional to 859,637.30, 1,289,455.95 and 461,056.55

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Solution

The fourth proportional to 859,637.30, 1,289,455.95 and 461,056.55 is: 691,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,637.30 : 1,289,455.95 = 461,056.55 : x
  2. Step 2: Convert to fraction form
    859,637.30/1,289,455.95 = 461,056.55/x
  3. Step 3: Cross multiply
    859,637.30x = 1,289,455.95 × 461,056.55
  4. Step 4: Simplify right side
    859,637.30x = 594,512,111,683.97
  5. Step 5: Solve for x
    x = 594,512,111,683.97/859,637.30
  6. Step 6: Final answer
    x = 691,584.83

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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.