Home / 992,792.90-1,488,152.55-486,653.06

Finding the Fourth Proportional to 992,792.90, 1,488,152.55 and 486,653.06

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Solution

The fourth proportional to 992,792.90, 1,488,152.55 and 486,653.06 is: 729,471.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,792.90 : 1,488,152.55 = 486,653.06 : x
  2. Step 2: Convert to fraction form
    992,792.90/1,488,152.55 = 486,653.06/x
  3. Step 3: Cross multiply
    992,792.90x = 1,488,152.55 × 486,653.06
  4. Step 4: Simplify right side
    992,792.90x = 724,213,997,749.63
  5. Step 5: Solve for x
    x = 724,213,997,749.63/992,792.90
  6. Step 6: Final answer
    x = 729,471.37

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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.