Home / 462,943.84-689,356.66-445,918.16

Finding the Fourth Proportional to 462,943.84, 689,356.66 and 445,918.16

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Solution

The fourth proportional to 462,943.84, 689,356.66 and 445,918.16 is: 664,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,943.84 : 689,356.66 = 445,918.16 : x
  2. Step 2: Convert to fraction form
    462,943.84/689,356.66 = 445,918.16/x
  3. Step 3: Cross multiply
    462,943.84x = 689,356.66 × 445,918.16
  4. Step 4: Simplify right side
    462,943.84x = 307,396,653,410.95
  5. Step 5: Solve for x
    x = 307,396,653,410.95/462,943.84
  6. Step 6: Final answer
    x = 664,004.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.