Home / 742,908.12-1,025,650.77-452,629.23

Finding the Fourth Proportional to 742,908.12, 1,025,650.77 and 452,629.23

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Solution

The fourth proportional to 742,908.12, 1,025,650.77 and 452,629.23 is: 624,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,908.12 : 1,025,650.77 = 452,629.23 : x
  2. Step 2: Convert to fraction form
    742,908.12/1,025,650.77 = 452,629.23/x
  3. Step 3: Cross multiply
    742,908.12x = 1,025,650.77 × 452,629.23
  4. Step 4: Simplify right side
    742,908.12x = 464,239,518,274.01
  5. Step 5: Solve for x
    x = 464,239,518,274.01/742,908.12
  6. Step 6: Final answer
    x = 624,894.93

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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.