Home / 745,189.23-1,028,502.86-422,929.52

Finding the Fourth Proportional to 745,189.23, 1,028,502.86 and 422,929.52

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Solution

The fourth proportional to 745,189.23, 1,028,502.86 and 422,929.52 is: 583,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,189.23 : 1,028,502.86 = 422,929.52 : x
  2. Step 2: Convert to fraction form
    745,189.23/1,028,502.86 = 422,929.52/x
  3. Step 3: Cross multiply
    745,189.23x = 1,028,502.86 × 422,929.52
  4. Step 4: Simplify right side
    745,189.23x = 434,984,220,898.43
  5. Step 5: Solve for x
    x = 434,984,220,898.43/745,189.23
  6. Step 6: Final answer
    x = 583,723.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.