Home / 745,076.04-1,028,176.39-422,766.91

Finding the Fourth Proportional to 745,076.04, 1,028,176.39 and 422,766.91

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Solution

The fourth proportional to 745,076.04, 1,028,176.39 and 422,766.91 is: 583,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,076.04 : 1,028,176.39 = 422,766.91 : x
  2. Step 2: Convert to fraction form
    745,076.04/1,028,176.39 = 422,766.91/x
  3. Step 3: Cross multiply
    745,076.04x = 1,028,176.39 × 422,766.91
  4. Step 4: Simplify right side
    745,076.04x = 434,678,955,335.26
  5. Step 5: Solve for x
    x = 434,678,955,335.26/745,076.04
  6. Step 6: Final answer
    x = 583,402.14

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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.