Home / 745,693.16-1,028,729.16-503,887.50

Finding the Fourth Proportional to 745,693.16, 1,028,729.16 and 503,887.50

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Solution

The fourth proportional to 745,693.16, 1,028,729.16 and 503,887.50 is: 695,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,693.16 : 1,028,729.16 = 503,887.50 : x
  2. Step 2: Convert to fraction form
    745,693.16/1,028,729.16 = 503,887.50/x
  3. Step 3: Cross multiply
    745,693.16x = 1,028,729.16 × 503,887.50
  4. Step 4: Simplify right side
    745,693.16x = 518,363,764,609.50
  5. Step 5: Solve for x
    x = 518,363,764,609.50/745,693.16
  6. Step 6: Final answer
    x = 695,143.52

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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.