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Finding the Fourth Proportional to 647,264.34, 893,255.04 and 360,786.51

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Solution

The fourth proportional to 647,264.34, 893,255.04 and 360,786.51 is: 497,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,264.34 : 893,255.04 = 360,786.51 : x
  2. Step 2: Convert to fraction form
    647,264.34/893,255.04 = 360,786.51/x
  3. Step 3: Cross multiply
    647,264.34x = 893,255.04 × 360,786.51
  4. Step 4: Simplify right side
    647,264.34x = 322,274,368,421.51
  5. Step 5: Solve for x
    x = 322,274,368,421.51/647,264.34
  6. Step 6: Final answer
    x = 497,902.25

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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.