Home / 801,955.72-1,106,698.88-439,393.32

Finding the Fourth Proportional to 801,955.72, 1,106,698.88 and 439,393.32

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Solution

The fourth proportional to 801,955.72, 1,106,698.88 and 439,393.32 is: 606,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,955.72 : 1,106,698.88 = 439,393.32 : x
  2. Step 2: Convert to fraction form
    801,955.72/1,106,698.88 = 439,393.32/x
  3. Step 3: Cross multiply
    801,955.72x = 1,106,698.88 × 439,393.32
  4. Step 4: Simplify right side
    801,955.72x = 486,276,095,123.48
  5. Step 5: Solve for x
    x = 486,276,095,123.48/801,955.72
  6. Step 6: Final answer
    x = 606,362.77

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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.