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Finding the Fourth Proportional to 559,477.71, 839,222.42 and 447,867.43

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Solution

The fourth proportional to 559,477.71, 839,222.42 and 447,867.43 is: 671,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,477.71 : 839,222.42 = 447,867.43 : x
  2. Step 2: Convert to fraction form
    559,477.71/839,222.42 = 447,867.43/x
  3. Step 3: Cross multiply
    559,477.71x = 839,222.42 × 447,867.43
  4. Step 4: Simplify right side
    559,477.71x = 375,860,384,106.39
  5. Step 5: Solve for x
    x = 375,860,384,106.39/559,477.71
  6. Step 6: Final answer
    x = 671,805.82

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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.