Home / 721,890.60-1,084,439.70-603,792.60

Finding the Fourth Proportional to 721,890.60, 1,084,439.70 and 603,792.60

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Solution

The fourth proportional to 721,890.60, 1,084,439.70 and 603,792.60 is: 907,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,890.60 : 1,084,439.70 = 603,792.60 : x
  2. Step 2: Convert to fraction form
    721,890.60/1,084,439.70 = 603,792.60/x
  3. Step 3: Cross multiply
    721,890.60x = 1,084,439.70 × 603,792.60
  4. Step 4: Simplify right side
    721,890.60x = 654,776,666,006.22
  5. Step 5: Solve for x
    x = 654,776,666,006.22/721,890.60
  6. Step 6: Final answer
    x = 907,030.33

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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.