Home / 740,674.88-1,022,194.28-418,444.12

Finding the Fourth Proportional to 740,674.88, 1,022,194.28 and 418,444.12

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Solution

The fourth proportional to 740,674.88, 1,022,194.28 and 418,444.12 is: 577,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,674.88 : 1,022,194.28 = 418,444.12 : x
  2. Step 2: Convert to fraction form
    740,674.88/1,022,194.28 = 418,444.12/x
  3. Step 3: Cross multiply
    740,674.88x = 1,022,194.28 × 418,444.12
  4. Step 4: Simplify right side
    740,674.88x = 427,731,185,963.63
  5. Step 5: Solve for x
    x = 427,731,185,963.63/740,674.88
  6. Step 6: Final answer
    x = 577,488.45

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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.