Home / 728,502.69-1,005,968.18-457,037.25

Finding the Fourth Proportional to 728,502.69, 1,005,968.18 and 457,037.25

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Solution

The fourth proportional to 728,502.69, 1,005,968.18 and 457,037.25 is: 631,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,502.69 : 1,005,968.18 = 457,037.25 : x
  2. Step 2: Convert to fraction form
    728,502.69/1,005,968.18 = 457,037.25/x
  3. Step 3: Cross multiply
    728,502.69x = 1,005,968.18 × 457,037.25
  4. Step 4: Simplify right side
    728,502.69x = 459,764,928,289.52
  5. Step 5: Solve for x
    x = 459,764,928,289.52/728,502.69
  6. Step 6: Final answer
    x = 631,109.44

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Double scale
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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.