Home / 992,767.23-1,487,842.20-393,401.43

Finding the Fourth Proportional to 992,767.23, 1,487,842.20 and 393,401.43

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Solution

The fourth proportional to 992,767.23, 1,487,842.20 and 393,401.43 is: 589,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,767.23 : 1,487,842.20 = 393,401.43 : x
  2. Step 2: Convert to fraction form
    992,767.23/1,487,842.20 = 393,401.43/x
  3. Step 3: Cross multiply
    992,767.23x = 1,487,842.20 × 393,401.43
  4. Step 4: Simplify right side
    992,767.23x = 585,319,249,094.35
  5. Step 5: Solve for x
    x = 585,319,249,094.35/992,767.23
  6. Step 6: Final answer
    x = 589,583.57

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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.