Home / 801,664.80-1,106,298.40-434,142.56

Finding the Fourth Proportional to 801,664.80, 1,106,298.40 and 434,142.56

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Solution

The fourth proportional to 801,664.80, 1,106,298.40 and 434,142.56 is: 599,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,664.80 : 1,106,298.40 = 434,142.56 : x
  2. Step 2: Convert to fraction form
    801,664.80/1,106,298.40 = 434,142.56/x
  3. Step 3: Cross multiply
    801,664.80x = 1,106,298.40 × 434,142.56
  4. Step 4: Simplify right side
    801,664.80x = 480,291,219,499.90
  5. Step 5: Solve for x
    x = 480,291,219,499.90/801,664.80
  6. Step 6: Final answer
    x = 599,117.26

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1.5x scale

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.