Home / 955,214.37-1,431,668.12-422,130.69

Finding the Fourth Proportional to 955,214.37, 1,431,668.12 and 422,130.69

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Solution

The fourth proportional to 955,214.37, 1,431,668.12 and 422,130.69 is: 632,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,214.37 : 1,431,668.12 = 422,130.69 : x
  2. Step 2: Convert to fraction form
    955,214.37/1,431,668.12 = 422,130.69/x
  3. Step 3: Cross multiply
    955,214.37x = 1,431,668.12 × 422,130.69
  4. Step 4: Simplify right side
    955,214.37x = 604,351,049,235.95
  5. Step 5: Solve for x
    x = 604,351,049,235.95/955,214.37
  6. Step 6: Final answer
    x = 632,686.30

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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.