Home / 755,938.98-1,043,120.08-465,503.96

Finding the Fourth Proportional to 755,938.98, 1,043,120.08 and 465,503.96

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Solution

The fourth proportional to 755,938.98, 1,043,120.08 and 465,503.96 is: 642,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,938.98 : 1,043,120.08 = 465,503.96 : x
  2. Step 2: Convert to fraction form
    755,938.98/1,043,120.08 = 465,503.96/x
  3. Step 3: Cross multiply
    755,938.98x = 1,043,120.08 × 465,503.96
  4. Step 4: Simplify right side
    755,938.98x = 485,576,528,566.74
  5. Step 5: Solve for x
    x = 485,576,528,566.74/755,938.98
  6. Step 6: Final answer
    x = 642,348.84

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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.