Home / 960,883.20-1,440,668.70-455,686.20

Finding the Fourth Proportional to 960,883.20, 1,440,668.70 and 455,686.20

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Solution

The fourth proportional to 960,883.20, 1,440,668.70 and 455,686.20 is: 683,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,883.20 : 1,440,668.70 = 455,686.20 : x
  2. Step 2: Convert to fraction form
    960,883.20/1,440,668.70 = 455,686.20/x
  3. Step 3: Cross multiply
    960,883.20x = 1,440,668.70 × 455,686.20
  4. Step 4: Simplify right side
    960,883.20x = 656,492,845,361.94
  5. Step 5: Solve for x
    x = 656,492,845,361.94/960,883.20
  6. Step 6: Final answer
    x = 683,218.15

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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.