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Finding the Fourth Proportional to 532,376, 798,170.34 and 321,967.16

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Solution

The fourth proportional to 532,376, 798,170.34 and 321,967.16 is: 482,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,376 : 798,170.34 = 321,967.16 : x
  2. Step 2: Convert to fraction form
    532,376/798,170.34 = 321,967.16/x
  3. Step 3: Cross multiply
    532,376x = 798,170.34 × 321,967.16
  4. Step 4: Simplify right side
    532,376x = 256,984,637,566.03
  5. Step 5: Solve for x
    x = 256,984,637,566.03/532,376
  6. Step 6: Final answer
    x = 482,712.66

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1.5x scale

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.