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Finding the Fourth Proportional to 454,688.98, 627,210.39 and 284,627.86

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Solution

The fourth proportional to 454,688.98, 627,210.39 and 284,627.86 is: 392,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,688.98 : 627,210.39 = 284,627.86 : x
  2. Step 2: Convert to fraction form
    454,688.98/627,210.39 = 284,627.86/x
  3. Step 3: Cross multiply
    454,688.98x = 627,210.39 × 284,627.86
  4. Step 4: Simplify right side
    454,688.98x = 178,521,551,075.47
  5. Step 5: Solve for x
    x = 178,521,551,075.47/454,688.98
  6. Step 6: Final answer
    x = 392,623.44

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1.5x scale

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.