Home / 890,448.42-1,335,734.20-357,969.82

Finding the Fourth Proportional to 890,448.42, 1,335,734.20 and 357,969.82

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Solution

The fourth proportional to 890,448.42, 1,335,734.20 and 357,969.82 is: 536,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,448.42 : 1,335,734.20 = 357,969.82 : x
  2. Step 2: Convert to fraction form
    890,448.42/1,335,734.20 = 357,969.82/x
  3. Step 3: Cross multiply
    890,448.42x = 1,335,734.20 × 357,969.82
  4. Step 4: Simplify right side
    890,448.42x = 478,152,531,141.84
  5. Step 5: Solve for x
    x = 478,152,531,141.84/890,448.42
  6. Step 6: Final answer
    x = 536,979.48

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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.