Home / 745,443.09-1,118,023.16-205,565.96

Finding the Fourth Proportional to 745,443.09, 1,118,023.16 and 205,565.96

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Solution

The fourth proportional to 745,443.09, 1,118,023.16 and 205,565.96 is: 308,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,443.09 : 1,118,023.16 = 205,565.96 : x
  2. Step 2: Convert to fraction form
    745,443.09/1,118,023.16 = 205,565.96/x
  3. Step 3: Cross multiply
    745,443.09x = 1,118,023.16 × 205,565.96
  4. Step 4: Simplify right side
    745,443.09x = 229,827,508,827.92
  5. Step 5: Solve for x
    x = 229,827,508,827.92/745,443.09
  6. Step 6: Final answer
    x = 308,309.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.