Home / 992,278.59-1,488,909.96-393,226.49

Finding the Fourth Proportional to 992,278.59, 1,488,909.96 and 393,226.49

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Solution

The fourth proportional to 992,278.59, 1,488,909.96 and 393,226.49 is: 590,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,278.59 : 1,488,909.96 = 393,226.49 : x
  2. Step 2: Convert to fraction form
    992,278.59/1,488,909.96 = 393,226.49/x
  3. Step 3: Cross multiply
    992,278.59x = 1,488,909.96 × 393,226.49
  4. Step 4: Simplify right side
    992,278.59x = 585,478,837,496.84
  5. Step 5: Solve for x
    x = 585,478,837,496.84/992,278.59
  6. Step 6: Final answer
    x = 590,034.74

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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.