Home / 746,661.40-1,122,756.90-625,010.20

Finding the Fourth Proportional to 746,661.40, 1,122,756.90 and 625,010.20

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Solution

The fourth proportional to 746,661.40, 1,122,756.90 and 625,010.20 is: 939,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,661.40 : 1,122,756.90 = 625,010.20 : x
  2. Step 2: Convert to fraction form
    746,661.40/1,122,756.90 = 625,010.20/x
  3. Step 3: Cross multiply
    746,661.40x = 1,122,756.90 × 625,010.20
  4. Step 4: Simplify right side
    746,661.40x = 701,734,514,620.38
  5. Step 5: Solve for x
    x = 701,734,514,620.38/746,661.40
  6. Step 6: Final answer
    x = 939,829.64

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Double scale
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1.5x scale

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.