Home / 992,287.11-1,488,922.71-393,235.01

Finding the Fourth Proportional to 992,287.11, 1,488,922.71 and 393,235.01

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Solution

The fourth proportional to 992,287.11, 1,488,922.71 and 393,235.01 is: 590,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,287.11 : 1,488,922.71 = 393,235.01 : x
  2. Step 2: Convert to fraction form
    992,287.11/1,488,922.71 = 393,235.01/x
  3. Step 3: Cross multiply
    992,287.11x = 1,488,922.71 × 393,235.01
  4. Step 4: Simplify right side
    992,287.11x = 585,496,527,345.29
  5. Step 5: Solve for x
    x = 585,496,527,345.29/992,287.11
  6. Step 6: Final answer
    x = 590,047.50

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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.