Home / 909,322.20-1,254,939.35-501,503.81

Finding the Fourth Proportional to 909,322.20, 1,254,939.35 and 501,503.81

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Solution

The fourth proportional to 909,322.20, 1,254,939.35 and 501,503.81 is: 692,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,322.20 : 1,254,939.35 = 501,503.81 : x
  2. Step 2: Convert to fraction form
    909,322.20/1,254,939.35 = 501,503.81/x
  3. Step 3: Cross multiply
    909,322.20x = 1,254,939.35 × 501,503.81
  4. Step 4: Simplify right side
    909,322.20x = 629,356,865,343.92
  5. Step 5: Solve for x
    x = 629,356,865,343.92/909,322.20
  6. Step 6: Final answer
    x = 692,116.46

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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.