Home / 745,009.67-1,028,311.07-458,769.65

Finding the Fourth Proportional to 745,009.67, 1,028,311.07 and 458,769.65

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Solution

The fourth proportional to 745,009.67, 1,028,311.07 and 458,769.65 is: 633,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,009.67 : 1,028,311.07 = 458,769.65 : x
  2. Step 2: Convert to fraction form
    745,009.67/1,028,311.07 = 458,769.65/x
  3. Step 3: Cross multiply
    745,009.67x = 1,028,311.07 × 458,769.65
  4. Step 4: Simplify right side
    745,009.67x = 471,757,909,675.03
  5. Step 5: Solve for x
    x = 471,757,909,675.03/745,009.67
  6. Step 6: Final answer
    x = 633,223.87

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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.