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Finding the Fourth Proportional to 877,773, 1,316,660.04 and 212,925

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Solution

The fourth proportional to 877,773, 1,316,660.04 and 212,925 is: 319,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,773 : 1,316,660.04 = 212,925 : x
  2. Step 2: Convert to fraction form
    877,773/1,316,660.04 = 212,925/x
  3. Step 3: Cross multiply
    877,773x = 1,316,660.04 × 212,925
  4. Step 4: Simplify right side
    877,773x = 280,349,839,017
  5. Step 5: Solve for x
    x = 280,349,839,017/877,773
  6. Step 6: Final answer
    x = 319,387.63

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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.