Home / 785,455.50-1,177,084.77-424,847.58

Finding the Fourth Proportional to 785,455.50, 1,177,084.77 and 424,847.58

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Solution

The fourth proportional to 785,455.50, 1,177,084.77 and 424,847.58 is: 636,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,455.50 : 1,177,084.77 = 424,847.58 : x
  2. Step 2: Convert to fraction form
    785,455.50/1,177,084.77 = 424,847.58/x
  3. Step 3: Cross multiply
    785,455.50x = 1,177,084.77 × 424,847.58
  4. Step 4: Simplify right side
    785,455.50x = 500,081,615,989.36
  5. Step 5: Solve for x
    x = 500,081,615,989.36/785,455.50
  6. Step 6: Final answer
    x = 636,677.21

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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.