Home / 955,480.05-1,318,577.13-547,617.51

Finding the Fourth Proportional to 955,480.05, 1,318,577.13 and 547,617.51

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Solution

The fourth proportional to 955,480.05, 1,318,577.13 and 547,617.51 is: 755,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,480.05 : 1,318,577.13 = 547,617.51 : x
  2. Step 2: Convert to fraction form
    955,480.05/1,318,577.13 = 547,617.51/x
  3. Step 3: Cross multiply
    955,480.05x = 1,318,577.13 × 547,617.51
  4. Step 4: Simplify right side
    955,480.05x = 722,075,924,673.55
  5. Step 5: Solve for x
    x = 722,075,924,673.55/955,480.05
  6. Step 6: Final answer
    x = 755,720.57

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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.