Home / 745,663.06-1,028,687.70-503,857.54

Finding the Fourth Proportional to 745,663.06, 1,028,687.70 and 503,857.54

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Solution

The fourth proportional to 745,663.06, 1,028,687.70 and 503,857.54 is: 695,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,663.06 : 1,028,687.70 = 503,857.54 : x
  2. Step 2: Convert to fraction form
    745,663.06/1,028,687.70 = 503,857.54/x
  3. Step 3: Cross multiply
    745,663.06x = 1,028,687.70 × 503,857.54
  4. Step 4: Simplify right side
    745,663.06x = 518,312,054,291.39
  5. Step 5: Solve for x
    x = 518,312,054,291.39/745,663.06
  6. Step 6: Final answer
    x = 695,102.23

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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.