Home / 802,159.79-1,106,875.26-479,752.25

Finding the Fourth Proportional to 802,159.79, 1,106,875.26 and 479,752.25

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Solution

The fourth proportional to 802,159.79, 1,106,875.26 and 479,752.25 is: 661,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,159.79 : 1,106,875.26 = 479,752.25 : x
  2. Step 2: Convert to fraction form
    802,159.79/1,106,875.26 = 479,752.25/x
  3. Step 3: Cross multiply
    802,159.79x = 1,106,875.26 × 479,752.25
  4. Step 4: Simplify right side
    802,159.79x = 531,025,890,919.96
  5. Step 5: Solve for x
    x = 531,025,890,919.96/802,159.79
  6. Step 6: Final answer
    x = 661,995.15

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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.