Home / 802,404.96-1,107,319.10-439,831.29

Finding the Fourth Proportional to 802,404.96, 1,107,319.10 and 439,831.29

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Solution

The fourth proportional to 802,404.96, 1,107,319.10 and 439,831.29 is: 606,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,404.96 : 1,107,319.10 = 439,831.29 : x
  2. Step 2: Convert to fraction form
    802,404.96/1,107,319.10 = 439,831.29/x
  3. Step 3: Cross multiply
    802,404.96x = 1,107,319.10 × 439,831.29
  4. Step 4: Simplify right side
    802,404.96x = 487,033,580,458.89
  5. Step 5: Solve for x
    x = 487,033,580,458.89/802,404.96
  6. Step 6: Final answer
    x = 606,967.31

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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.