Home / 676,969.82-934,229.39-371,075.55

Finding the Fourth Proportional to 676,969.82, 934,229.39 and 371,075.55

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Solution

The fourth proportional to 676,969.82, 934,229.39 and 371,075.55 is: 512,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,969.82 : 934,229.39 = 371,075.55 : x
  2. Step 2: Convert to fraction form
    676,969.82/934,229.39 = 371,075.55/x
  3. Step 3: Cross multiply
    676,969.82x = 934,229.39 × 371,075.55
  4. Step 4: Simplify right side
    676,969.82x = 346,669,682,865.04
  5. Step 5: Solve for x
    x = 346,669,682,865.04/676,969.82
  6. Step 6: Final answer
    x = 512,090.31

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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.