Home / 793,737.60-1,191,772.80-478,809.60

Finding the Fourth Proportional to 793,737.60, 1,191,772.80 and 478,809.60

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Solution

The fourth proportional to 793,737.60, 1,191,772.80 and 478,809.60 is: 718,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,737.60 : 1,191,772.80 = 478,809.60 : x
  2. Step 2: Convert to fraction form
    793,737.60/1,191,772.80 = 478,809.60/x
  3. Step 3: Cross multiply
    793,737.60x = 1,191,772.80 × 478,809.60
  4. Step 4: Simplify right side
    793,737.60x = 570,632,257,658.88
  5. Step 5: Solve for x
    x = 570,632,257,658.88/793,737.60
  6. Step 6: Final answer
    x = 718,918.01

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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.