Home / 648,611-895,386.56-376,625.92

Finding the Fourth Proportional to 648,611, 895,386.56 and 376,625.92

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Solution

The fourth proportional to 648,611, 895,386.56 and 376,625.92 is: 519,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,611 : 895,386.56 = 376,625.92 : x
  2. Step 2: Convert to fraction form
    648,611/895,386.56 = 376,625.92/x
  3. Step 3: Cross multiply
    648,611x = 895,386.56 × 376,625.92
  4. Step 4: Simplify right side
    648,611x = 337,225,786,915.64
  5. Step 5: Solve for x
    x = 337,225,786,915.64/648,611
  6. Step 6: Final answer
    x = 519,919.93

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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.