Home / 745,702.96-1,028,718-504,069.76

Finding the Fourth Proportional to 745,702.96, 1,028,718 and 504,069.76

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Solution

The fourth proportional to 745,702.96, 1,028,718 and 504,069.76 is: 695,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,702.96 : 1,028,718 = 504,069.76 : x
  2. Step 2: Convert to fraction form
    745,702.96/1,028,718 = 504,069.76/x
  3. Step 3: Cross multiply
    745,702.96x = 1,028,718 × 504,069.76
  4. Step 4: Simplify right side
    745,702.96x = 518,545,635,367.68
  5. Step 5: Solve for x
    x = 518,545,635,367.68/745,702.96
  6. Step 6: Final answer
    x = 695,378.27

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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.