Home / 746,556.36-1,030,203.36-424,221.72

Finding the Fourth Proportional to 746,556.36, 1,030,203.36 and 424,221.72

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Solution

The fourth proportional to 746,556.36, 1,030,203.36 and 424,221.72 is: 585,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,556.36 : 1,030,203.36 = 424,221.72 : x
  2. Step 2: Convert to fraction form
    746,556.36/1,030,203.36 = 424,221.72/x
  3. Step 3: Cross multiply
    746,556.36x = 1,030,203.36 × 424,221.72
  4. Step 4: Simplify right side
    746,556.36x = 437,034,641,328.98
  5. Step 5: Solve for x
    x = 437,034,641,328.98/746,556.36
  6. Step 6: Final answer
    x = 585,400.73

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Double scale
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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.