Home / 938,792.84-1,408,364.57-426,493.95

Finding the Fourth Proportional to 938,792.84, 1,408,364.57 and 426,493.95

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Solution

The fourth proportional to 938,792.84, 1,408,364.57 and 426,493.95 is: 639,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,792.84 : 1,408,364.57 = 426,493.95 : x
  2. Step 2: Convert to fraction form
    938,792.84/1,408,364.57 = 426,493.95/x
  3. Step 3: Cross multiply
    938,792.84x = 1,408,364.57 × 426,493.95
  4. Step 4: Simplify right side
    938,792.84x = 600,658,967,966.23
  5. Step 5: Solve for x
    x = 600,658,967,966.23/938,792.84
  6. Step 6: Final answer
    x = 639,820.57

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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.