Home / 890,900.88-1,336,547.88-259,864.08

Finding the Fourth Proportional to 890,900.88, 1,336,547.88 and 259,864.08

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Solution

The fourth proportional to 890,900.88, 1,336,547.88 and 259,864.08 is: 389,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,900.88 : 1,336,547.88 = 259,864.08 : x
  2. Step 2: Convert to fraction form
    890,900.88/1,336,547.88 = 259,864.08/x
  3. Step 3: Cross multiply
    890,900.88x = 1,336,547.88 × 259,864.08
  4. Step 4: Simplify right side
    890,900.88x = 347,320,785,212.15
  5. Step 5: Solve for x
    x = 347,320,785,212.15/890,900.88
  6. Step 6: Final answer
    x = 389,853.45

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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.