Home / 772,419.53-1,159,296.33-535,928.28

Finding the Fourth Proportional to 772,419.53, 1,159,296.33 and 535,928.28

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Solution

The fourth proportional to 772,419.53, 1,159,296.33 and 535,928.28 is: 804,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,419.53 : 1,159,296.33 = 535,928.28 : x
  2. Step 2: Convert to fraction form
    772,419.53/1,159,296.33 = 535,928.28/x
  3. Step 3: Cross multiply
    772,419.53x = 1,159,296.33 × 535,928.28
  4. Step 4: Simplify right side
    772,419.53x = 621,299,688,147.21
  5. Step 5: Solve for x
    x = 621,299,688,147.21/772,419.53
  6. Step 6: Final answer
    x = 804,355.23

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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.