Home / 920,364.48-1,270,102.08-517,965.12

Finding the Fourth Proportional to 920,364.48, 1,270,102.08 and 517,965.12

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Solution

The fourth proportional to 920,364.48, 1,270,102.08 and 517,965.12 is: 714,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,364.48 : 1,270,102.08 = 517,965.12 : x
  2. Step 2: Convert to fraction form
    920,364.48/1,270,102.08 = 517,965.12/x
  3. Step 3: Cross multiply
    920,364.48x = 1,270,102.08 × 517,965.12
  4. Step 4: Simplify right side
    920,364.48x = 657,868,576,279.45
  5. Step 5: Solve for x
    x = 657,868,576,279.45/920,364.48
  6. Step 6: Final answer
    x = 714,791.36

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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.