Home / 636,206.17-877,942.23-349,724.20

Finding the Fourth Proportional to 636,206.17, 877,942.23 and 349,724.20

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Solution

The fourth proportional to 636,206.17, 877,942.23 and 349,724.20 is: 482,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,206.17 : 877,942.23 = 349,724.20 : x
  2. Step 2: Convert to fraction form
    636,206.17/877,942.23 = 349,724.20/x
  3. Step 3: Cross multiply
    636,206.17x = 877,942.23 × 349,724.20
  4. Step 4: Simplify right side
    636,206.17x = 307,037,644,032.97
  5. Step 5: Solve for x
    x = 307,037,644,032.97/636,206.17
  6. Step 6: Final answer
    x = 482,607.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.