Home / 988,387.32-1,482,766.56-448,681.48

Finding the Fourth Proportional to 988,387.32, 1,482,766.56 and 448,681.48

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Solution

The fourth proportional to 988,387.32, 1,482,766.56 and 448,681.48 is: 673,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,387.32 : 1,482,766.56 = 448,681.48 : x
  2. Step 2: Convert to fraction form
    988,387.32/1,482,766.56 = 448,681.48/x
  3. Step 3: Cross multiply
    988,387.32x = 1,482,766.56 × 448,681.48
  4. Step 4: Simplify right side
    988,387.32x = 665,289,894,635.31
  5. Step 5: Solve for x
    x = 665,289,894,635.31/988,387.32
  6. Step 6: Final answer
    x = 673,106.46

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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.