Home / 909,970.20-1,365,830.10-461,197.80

Finding the Fourth Proportional to 909,970.20, 1,365,830.10 and 461,197.80

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Solution

The fourth proportional to 909,970.20, 1,365,830.10 and 461,197.80 is: 692,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,970.20 : 1,365,830.10 = 461,197.80 : x
  2. Step 2: Convert to fraction form
    909,970.20/1,365,830.10 = 461,197.80/x
  3. Step 3: Cross multiply
    909,970.20x = 1,365,830.10 × 461,197.80
  4. Step 4: Simplify right side
    909,970.20x = 629,917,837,293.78
  5. Step 5: Solve for x
    x = 629,917,837,293.78/909,970.20
  6. Step 6: Final answer
    x = 692,240.07

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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.