Home / 860,128.23-1,186,985.04-472,963.71

Finding the Fourth Proportional to 860,128.23, 1,186,985.04 and 472,963.71

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Solution

The fourth proportional to 860,128.23, 1,186,985.04 and 472,963.71 is: 652,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,128.23 : 1,186,985.04 = 472,963.71 : x
  2. Step 2: Convert to fraction form
    860,128.23/1,186,985.04 = 472,963.71/x
  3. Step 3: Cross multiply
    860,128.23x = 1,186,985.04 × 472,963.71
  4. Step 4: Simplify right side
    860,128.23x = 561,400,848,232.90
  5. Step 5: Solve for x
    x = 561,400,848,232.90/860,128.23
  6. Step 6: Final answer
    x = 652,694.36

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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.