Home / 745,237.48-1,028,292.30-422,961.16

Finding the Fourth Proportional to 745,237.48, 1,028,292.30 and 422,961.16

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Solution

The fourth proportional to 745,237.48, 1,028,292.30 and 422,961.16 is: 583,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,237.48 : 1,028,292.30 = 422,961.16 : x
  2. Step 2: Convert to fraction form
    745,237.48/1,028,292.30 = 422,961.16/x
  3. Step 3: Cross multiply
    745,237.48x = 1,028,292.30 × 422,961.16
  4. Step 4: Simplify right side
    745,237.48x = 434,927,704,027.07
  5. Step 5: Solve for x
    x = 434,927,704,027.07/745,237.48
  6. Step 6: Final answer
    x = 583,609.54

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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.