Home / 960,639.89-1,440,907.92-487,313.01

Finding the Fourth Proportional to 960,639.89, 1,440,907.92 and 487,313.01

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Solution

The fourth proportional to 960,639.89, 1,440,907.92 and 487,313.01 is: 730,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,639.89 : 1,440,907.92 = 487,313.01 : x
  2. Step 2: Convert to fraction form
    960,639.89/1,440,907.92 = 487,313.01/x
  3. Step 3: Cross multiply
    960,639.89x = 1,440,907.92 × 487,313.01
  4. Step 4: Simplify right side
    960,639.89x = 702,173,175,628.04
  5. Step 5: Solve for x
    x = 702,173,175,628.04/960,639.89
  6. Step 6: Final answer
    x = 730,943.18

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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.