Home / 920,892.64-1,381,536.60-521,724.64

Finding the Fourth Proportional to 920,892.64, 1,381,536.60 and 521,724.64

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Solution

The fourth proportional to 920,892.64, 1,381,536.60 and 521,724.64 is: 782,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,892.64 : 1,381,536.60 = 521,724.64 : x
  2. Step 2: Convert to fraction form
    920,892.64/1,381,536.60 = 521,724.64/x
  3. Step 3: Cross multiply
    920,892.64x = 1,381,536.60 × 521,724.64
  4. Step 4: Simplify right side
    920,892.64x = 720,781,685,281.82
  5. Step 5: Solve for x
    x = 720,781,685,281.82/920,892.64
  6. Step 6: Final answer
    x = 782,698.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.