Home / 788,881.92-1,088,656.44-426,305.64

Finding the Fourth Proportional to 788,881.92, 1,088,656.44 and 426,305.64

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Solution

The fourth proportional to 788,881.92, 1,088,656.44 and 426,305.64 is: 588,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,881.92 : 1,088,656.44 = 426,305.64 : x
  2. Step 2: Convert to fraction form
    788,881.92/1,088,656.44 = 426,305.64/x
  3. Step 3: Cross multiply
    788,881.92x = 1,088,656.44 × 426,305.64
  4. Step 4: Simplify right side
    788,881.92x = 464,100,380,394.32
  5. Step 5: Solve for x
    x = 464,100,380,394.32/788,881.92
  6. Step 6: Final answer
    x = 588,301.45

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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.