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Finding the Fourth Proportional to 323,608.16, 482,880.52 and 289,985.84

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Solution

The fourth proportional to 323,608.16, 482,880.52 and 289,985.84 is: 432,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,608.16 : 482,880.52 = 289,985.84 : x
  2. Step 2: Convert to fraction form
    323,608.16/482,880.52 = 289,985.84/x
  3. Step 3: Cross multiply
    323,608.16x = 482,880.52 × 289,985.84
  4. Step 4: Simplify right side
    323,608.16x = 140,028,513,211.84
  5. Step 5: Solve for x
    x = 140,028,513,211.84/323,608.16
  6. Step 6: Final answer
    x = 432,710.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.