Home / 898,629.53-1,240,383.35-554,570.69

Finding the Fourth Proportional to 898,629.53, 1,240,383.35 and 554,570.69

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Solution

The fourth proportional to 898,629.53, 1,240,383.35 and 554,570.69 is: 765,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,629.53 : 1,240,383.35 = 554,570.69 : x
  2. Step 2: Convert to fraction form
    898,629.53/1,240,383.35 = 554,570.69/x
  3. Step 3: Cross multiply
    898,629.53x = 1,240,383.35 × 554,570.69
  4. Step 4: Simplify right side
    898,629.53x = 687,880,245,458.52
  5. Step 5: Solve for x
    x = 687,880,245,458.52/898,629.53
  6. Step 6: Final answer
    x = 765,477.01

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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.