Home / 802,295.66-1,107,117.78-439,693.79

Finding the Fourth Proportional to 802,295.66, 1,107,117.78 and 439,693.79

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Solution

The fourth proportional to 802,295.66, 1,107,117.78 and 439,693.79 is: 606,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,295.66 : 1,107,117.78 = 439,693.79 : x
  2. Step 2: Convert to fraction form
    802,295.66/1,107,117.78 = 439,693.79/x
  3. Step 3: Cross multiply
    802,295.66x = 1,107,117.78 × 439,693.79
  4. Step 4: Simplify right side
    802,295.66x = 486,792,807,129.00
  5. Step 5: Solve for x
    x = 486,792,807,129.00/802,295.66
  6. Step 6: Final answer
    x = 606,749.90

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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.