Home / 790,673.71-1,091,125.09-428,089.96

Finding the Fourth Proportional to 790,673.71, 1,091,125.09 and 428,089.96

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Solution

The fourth proportional to 790,673.71, 1,091,125.09 and 428,089.96 is: 590,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,673.71 : 1,091,125.09 = 428,089.96 : x
  2. Step 2: Convert to fraction form
    790,673.71/1,091,125.09 = 428,089.96/x
  3. Step 3: Cross multiply
    790,673.71x = 1,091,125.09 × 428,089.96
  4. Step 4: Simplify right side
    790,673.71x = 467,099,696,133.10
  5. Step 5: Solve for x
    x = 467,099,696,133.10/790,673.71
  6. Step 6: Final answer
    x = 590,761.64

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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.