Home / 790,222.46-1,090,498.41-427,638.51

Finding the Fourth Proportional to 790,222.46, 1,090,498.41 and 427,638.51

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Solution

The fourth proportional to 790,222.46, 1,090,498.41 and 427,638.51 is: 590,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,222.46 : 1,090,498.41 = 427,638.51 : x
  2. Step 2: Convert to fraction form
    790,222.46/1,090,498.41 = 427,638.51/x
  3. Step 3: Cross multiply
    790,222.46x = 1,090,498.41 × 427,638.51
  4. Step 4: Simplify right side
    790,222.46x = 466,339,115,209.77
  5. Step 5: Solve for x
    x = 466,339,115,209.77/790,222.46
  6. Step 6: Final answer
    x = 590,136.50

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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.