Home / 992,422.41-1,488,722.41-385,196.50

Finding the Fourth Proportional to 992,422.41, 1,488,722.41 and 385,196.50

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Solution

The fourth proportional to 992,422.41, 1,488,722.41 and 385,196.50 is: 577,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,422.41 : 1,488,722.41 = 385,196.50 : x
  2. Step 2: Convert to fraction form
    992,422.41/1,488,722.41 = 385,196.50/x
  3. Step 3: Cross multiply
    992,422.41x = 1,488,722.41 × 385,196.50
  4. Step 4: Simplify right side
    992,422.41x = 573,450,661,803.57
  5. Step 5: Solve for x
    x = 573,450,661,803.57/992,422.41
  6. Step 6: Final answer
    x = 577,829.21

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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.