Home / 909,323.20-1,254,940.74-501,504.82

Finding the Fourth Proportional to 909,323.20, 1,254,940.74 and 501,504.82

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Solution

The fourth proportional to 909,323.20, 1,254,940.74 and 501,504.82 is: 692,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,323.20 : 1,254,940.74 = 501,504.82 : x
  2. Step 2: Convert to fraction form
    909,323.20/1,254,940.74 = 501,504.82/x
  3. Step 3: Cross multiply
    909,323.20x = 1,254,940.74 × 501,504.82
  4. Step 4: Simplify right side
    909,323.20x = 629,358,829,924.37
  5. Step 5: Solve for x
    x = 629,358,829,924.37/909,323.20
  6. Step 6: Final answer
    x = 692,117.86

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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.