Home / 899,076.20-1,240,725.14-496,668.20

Finding the Fourth Proportional to 899,076.20, 1,240,725.14 and 496,668.20

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Solution

The fourth proportional to 899,076.20, 1,240,725.14 and 496,668.20 is: 685,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,076.20 : 1,240,725.14 = 496,668.20 : x
  2. Step 2: Convert to fraction form
    899,076.20/1,240,725.14 = 496,668.20/x
  3. Step 3: Cross multiply
    899,076.20x = 1,240,725.14 × 496,668.20
  4. Step 4: Simplify right side
    899,076.20x = 616,228,713,291.58
  5. Step 5: Solve for x
    x = 616,228,713,291.58/899,076.20
  6. Step 6: Final answer
    x = 685,402.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.