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Finding the Fourth Proportional to 897,915.78, 1,347,119.71 and 448,093.62

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Solution

The fourth proportional to 897,915.78, 1,347,119.71 and 448,093.62 is: 672,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,915.78 : 1,347,119.71 = 448,093.62 : x
  2. Step 2: Convert to fraction form
    897,915.78/1,347,119.71 = 448,093.62/x
  3. Step 3: Cross multiply
    897,915.78x = 1,347,119.71 × 448,093.62
  4. Step 4: Simplify right side
    897,915.78x = 603,635,746,307.02
  5. Step 5: Solve for x
    x = 603,635,746,307.02/897,915.78
  6. Step 6: Final answer
    x = 672,263.21

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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.