Home / 960,661.62-1,440,943.22-286,748.51

Finding the Fourth Proportional to 960,661.62, 1,440,943.22 and 286,748.51

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Solution

The fourth proportional to 960,661.62, 1,440,943.22 and 286,748.51 is: 430,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,661.62 : 1,440,943.22 = 286,748.51 : x
  2. Step 2: Convert to fraction form
    960,661.62/1,440,943.22 = 286,748.51/x
  3. Step 3: Cross multiply
    960,661.62x = 1,440,943.22 × 286,748.51
  4. Step 4: Simplify right side
    960,661.62x = 413,188,314,841.76
  5. Step 5: Solve for x
    x = 413,188,314,841.76/960,661.62
  6. Step 6: Final answer
    x = 430,108.07

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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.