Home / 849,692.72-1,274,539.12-317,255.28

Finding the Fourth Proportional to 849,692.72, 1,274,539.12 and 317,255.28

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Solution

The fourth proportional to 849,692.72, 1,274,539.12 and 317,255.28 is: 475,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,692.72 : 1,274,539.12 = 317,255.28 : x
  2. Step 2: Convert to fraction form
    849,692.72/1,274,539.12 = 317,255.28/x
  3. Step 3: Cross multiply
    849,692.72x = 1,274,539.12 × 317,255.28
  4. Step 4: Simplify right side
    849,692.72x = 404,354,265,386.55
  5. Step 5: Solve for x
    x = 404,354,265,386.55/849,692.72
  6. Step 6: Final answer
    x = 475,882.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.