Home / 904,418.11-1,248,111.63-496,557.55

Finding the Fourth Proportional to 904,418.11, 1,248,111.63 and 496,557.55

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Solution

The fourth proportional to 904,418.11, 1,248,111.63 and 496,557.55 is: 685,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,418.11 : 1,248,111.63 = 496,557.55 : x
  2. Step 2: Convert to fraction form
    904,418.11/1,248,111.63 = 496,557.55/x
  3. Step 3: Cross multiply
    904,418.11x = 1,248,111.63 × 496,557.55
  4. Step 4: Simplify right side
    904,418.11x = 619,759,253,119.31
  5. Step 5: Solve for x
    x = 619,759,253,119.31/904,418.11
  6. Step 6: Final answer
    x = 685,257.46

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Double scale
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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.