Home / 686,264.94-1,029,400.02-382,845.96

Finding the Fourth Proportional to 686,264.94, 1,029,400.02 and 382,845.96

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Solution

The fourth proportional to 686,264.94, 1,029,400.02 and 382,845.96 is: 574,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,264.94 : 1,029,400.02 = 382,845.96 : x
  2. Step 2: Convert to fraction form
    686,264.94/1,029,400.02 = 382,845.96/x
  3. Step 3: Cross multiply
    686,264.94x = 1,029,400.02 × 382,845.96
  4. Step 4: Simplify right side
    686,264.94x = 394,101,638,880.92
  5. Step 5: Solve for x
    x = 394,101,638,880.92/686,264.94
  6. Step 6: Final answer
    x = 574,270.40

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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.