Home / 901,242.52-1,243,629.64-538,594.20

Finding the Fourth Proportional to 901,242.52, 1,243,629.64 and 538,594.20

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Solution

The fourth proportional to 901,242.52, 1,243,629.64 and 538,594.20 is: 743,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,242.52 : 1,243,629.64 = 538,594.20 : x
  2. Step 2: Convert to fraction form
    901,242.52/1,243,629.64 = 538,594.20/x
  3. Step 3: Cross multiply
    901,242.52x = 1,243,629.64 × 538,594.20
  4. Step 4: Simplify right side
    901,242.52x = 669,811,711,052.09
  5. Step 5: Solve for x
    x = 669,811,711,052.09/901,242.52
  6. Step 6: Final answer
    x = 743,209.18

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1.5x scale

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.