Home / 992,426.26-1,488,460.88-262,954.40

Finding the Fourth Proportional to 992,426.26, 1,488,460.88 and 262,954.40

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Solution

The fourth proportional to 992,426.26, 1,488,460.88 and 262,954.40 is: 394,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,426.26 : 1,488,460.88 = 262,954.40 : x
  2. Step 2: Convert to fraction form
    992,426.26/1,488,460.88 = 262,954.40/x
  3. Step 3: Cross multiply
    992,426.26x = 1,488,460.88 × 262,954.40
  4. Step 4: Simplify right side
    992,426.26x = 391,397,337,623.87
  5. Step 5: Solve for x
    x = 391,397,337,623.87/992,426.26
  6. Step 6: Final answer
    x = 394,384.30

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1.5x scale

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.