Home / 757,718.36-1,045,636.50-413,556.75

Finding the Fourth Proportional to 757,718.36, 1,045,636.50 and 413,556.75

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Solution

The fourth proportional to 757,718.36, 1,045,636.50 and 413,556.75 is: 570,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,718.36 : 1,045,636.50 = 413,556.75 : x
  2. Step 2: Convert to fraction form
    757,718.36/1,045,636.50 = 413,556.75/x
  3. Step 3: Cross multiply
    757,718.36x = 1,045,636.50 × 413,556.75
  4. Step 4: Simplify right side
    757,718.36x = 432,430,032,621.38
  5. Step 5: Solve for x
    x = 432,430,032,621.38/757,718.36
  6. Step 6: Final answer
    x = 570,700.22

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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.