Home / 745,604.64-1,028,946.24-423,308.16

Finding the Fourth Proportional to 745,604.64, 1,028,946.24 and 423,308.16

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Solution

The fourth proportional to 745,604.64, 1,028,946.24 and 423,308.16 is: 584,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,604.64 : 1,028,946.24 = 423,308.16 : x
  2. Step 2: Convert to fraction form
    745,604.64/1,028,946.24 = 423,308.16/x
  3. Step 3: Cross multiply
    745,604.64x = 1,028,946.24 × 423,308.16
  4. Step 4: Simplify right side
    745,604.64x = 435,561,339,593.32
  5. Step 5: Solve for x
    x = 435,561,339,593.32/745,604.64
  6. Step 6: Final answer
    x = 584,171.98

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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.