Home / 988,384.32-1,482,762.06-448,678.47

Finding the Fourth Proportional to 988,384.32, 1,482,762.06 and 448,678.47

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Solution

The fourth proportional to 988,384.32, 1,482,762.06 and 448,678.47 is: 673,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,384.32 : 1,482,762.06 = 448,678.47 : x
  2. Step 2: Convert to fraction form
    988,384.32/1,482,762.06 = 448,678.47/x
  3. Step 3: Cross multiply
    988,384.32x = 1,482,762.06 × 448,678.47
  4. Step 4: Simplify right side
    988,384.32x = 665,283,412,454.85
  5. Step 5: Solve for x
    x = 665,283,412,454.85/988,384.32
  6. Step 6: Final answer
    x = 673,101.95

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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.