Home / 968,621.13-1,453,258.68-428,802.96

Finding the Fourth Proportional to 968,621.13, 1,453,258.68 and 428,802.96

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Solution

The fourth proportional to 968,621.13, 1,453,258.68 and 428,802.96 is: 643,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,621.13 : 1,453,258.68 = 428,802.96 : x
  2. Step 2: Convert to fraction form
    968,621.13/1,453,258.68 = 428,802.96/x
  3. Step 3: Cross multiply
    968,621.13x = 1,453,258.68 × 428,802.96
  4. Step 4: Simplify right side
    968,621.13x = 623,161,623,629.69
  5. Step 5: Solve for x
    x = 623,161,623,629.69/968,621.13
  6. Step 6: Final answer
    x = 643,349.19

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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.