Home / 860,606.16-1,291,084.19-299,684.40

Finding the Fourth Proportional to 860,606.16, 1,291,084.19 and 299,684.40

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Solution

The fourth proportional to 860,606.16, 1,291,084.19 and 299,684.40 is: 449,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,606.16 : 1,291,084.19 = 299,684.40 : x
  2. Step 2: Convert to fraction form
    860,606.16/1,291,084.19 = 299,684.40/x
  3. Step 3: Cross multiply
    860,606.16x = 1,291,084.19 × 299,684.40
  4. Step 4: Simplify right side
    860,606.16x = 386,917,790,829.64
  5. Step 5: Solve for x
    x = 386,917,790,829.64/860,606.16
  6. Step 6: Final answer
    x = 449,587.52

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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.