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Finding the Fourth Proportional to 671,163.62, 926,208.88 and 384,700.46

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Solution

The fourth proportional to 671,163.62, 926,208.88 and 384,700.46 is: 530,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,163.62 : 926,208.88 = 384,700.46 : x
  2. Step 2: Convert to fraction form
    671,163.62/926,208.88 = 384,700.46/x
  3. Step 3: Cross multiply
    671,163.62x = 926,208.88 × 384,700.46
  4. Step 4: Simplify right side
    671,163.62x = 356,312,982,192.09
  5. Step 5: Solve for x
    x = 356,312,982,192.09/671,163.62
  6. Step 6: Final answer
    x = 530,888.40

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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.