Home / 815,342.57-1,125,200.90-452,772.50

Finding the Fourth Proportional to 815,342.57, 1,125,200.90 and 452,772.50

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Solution

The fourth proportional to 815,342.57, 1,125,200.90 and 452,772.50 is: 624,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,342.57 : 1,125,200.90 = 452,772.50 : x
  2. Step 2: Convert to fraction form
    815,342.57/1,125,200.90 = 452,772.50/x
  3. Step 3: Cross multiply
    815,342.57x = 1,125,200.90 × 452,772.50
  4. Step 4: Simplify right side
    815,342.57x = 509,460,024,495.25
  5. Step 5: Solve for x
    x = 509,460,024,495.25/815,342.57
  6. Step 6: Final answer
    x = 624,841.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.