Home / 917,277.60-1,375,916.40-492,124.80

Finding the Fourth Proportional to 917,277.60, 1,375,916.40 and 492,124.80

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Solution

The fourth proportional to 917,277.60, 1,375,916.40 and 492,124.80 is: 738,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,277.60 : 1,375,916.40 = 492,124.80 : x
  2. Step 2: Convert to fraction form
    917,277.60/1,375,916.40 = 492,124.80/x
  3. Step 3: Cross multiply
    917,277.60x = 1,375,916.40 × 492,124.80
  4. Step 4: Simplify right side
    917,277.60x = 677,122,583,166.72
  5. Step 5: Solve for x
    x = 677,122,583,166.72/917,277.60
  6. Step 6: Final answer
    x = 738,187.20

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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.