Home / 790,220.00-1,090,503.51-427,643.85

Finding the Fourth Proportional to 790,220.00, 1,090,503.51 and 427,643.85

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Solution

The fourth proportional to 790,220.00, 1,090,503.51 and 427,643.85 is: 590,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,220.00 : 1,090,503.51 = 427,643.85 : x
  2. Step 2: Convert to fraction form
    790,220.00/1,090,503.51 = 427,643.85/x
  3. Step 3: Cross multiply
    790,220.00x = 1,090,503.51 × 427,643.85
  4. Step 4: Simplify right side
    790,220.00x = 466,347,119,454.91
  5. Step 5: Solve for x
    x = 466,347,119,454.91/790,220.00
  6. Step 6: Final answer
    x = 590,148.47

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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.