Home / 992,820.56-1,488,984.79-282,854.75

Finding the Fourth Proportional to 992,820.56, 1,488,984.79 and 282,854.75

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Solution

The fourth proportional to 992,820.56, 1,488,984.79 and 282,854.75 is: 424,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,820.56 : 1,488,984.79 = 282,854.75 : x
  2. Step 2: Convert to fraction form
    992,820.56/1,488,984.79 = 282,854.75/x
  3. Step 3: Cross multiply
    992,820.56x = 1,488,984.79 × 282,854.75
  4. Step 4: Simplify right side
    992,820.56x = 421,166,411,670.06
  5. Step 5: Solve for x
    x = 421,166,411,670.06/992,820.56
  6. Step 6: Final answer
    x = 424,212.02

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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.