Home / 992,729.70-1,489,094.55-393,833.70

Finding the Fourth Proportional to 992,729.70, 1,489,094.55 and 393,833.70

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Solution

The fourth proportional to 992,729.70, 1,489,094.55 and 393,833.70 is: 590,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,729.70 : 1,489,094.55 = 393,833.70 : x
  2. Step 2: Convert to fraction form
    992,729.70/1,489,094.55 = 393,833.70/x
  3. Step 3: Cross multiply
    992,729.70x = 1,489,094.55 × 393,833.70
  4. Step 4: Simplify right side
    992,729.70x = 586,455,616,276.34
  5. Step 5: Solve for x
    x = 586,455,616,276.34/992,729.70
  6. Step 6: Final answer
    x = 590,750.55

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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.