Home / 710,820.99-1,066,418.23-255,458.21

Finding the Fourth Proportional to 710,820.99, 1,066,418.23 and 255,458.21

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Solution

The fourth proportional to 710,820.99, 1,066,418.23 and 255,458.21 is: 383,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,820.99 : 1,066,418.23 = 255,458.21 : x
  2. Step 2: Convert to fraction form
    710,820.99/1,066,418.23 = 255,458.21/x
  3. Step 3: Cross multiply
    710,820.99x = 1,066,418.23 × 255,458.21
  4. Step 4: Simplify right side
    710,820.99x = 272,425,292,147.17
  5. Step 5: Solve for x
    x = 272,425,292,147.17/710,820.99
  6. Step 6: Final answer
    x = 383,254.43

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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.