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Finding the Fourth Proportional to 877,281, 1,312,927.53 and 735,286.59

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Solution

The fourth proportional to 877,281, 1,312,927.53 and 735,286.59 is: 1,100,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,281 : 1,312,927.53 = 735,286.59 : x
  2. Step 2: Convert to fraction form
    877,281/1,312,927.53 = 735,286.59/x
  3. Step 3: Cross multiply
    877,281x = 1,312,927.53 × 735,286.59
  4. Step 4: Simplify right side
    877,281x = 965,378,006,450.82
  5. Step 5: Solve for x
    x = 965,378,006,450.82/877,281
  6. Step 6: Final answer
    x = 1,100,420.51

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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.