Home / 851,962.78-1,175,702.07-470,005.66

Finding the Fourth Proportional to 851,962.78, 1,175,702.07 and 470,005.66

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Solution

The fourth proportional to 851,962.78, 1,175,702.07 and 470,005.66 is: 648,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,962.78 : 1,175,702.07 = 470,005.66 : x
  2. Step 2: Convert to fraction form
    851,962.78/1,175,702.07 = 470,005.66/x
  3. Step 3: Cross multiply
    851,962.78x = 1,175,702.07 × 470,005.66
  4. Step 4: Simplify right side
    851,962.78x = 552,586,627,373.72
  5. Step 5: Solve for x
    x = 552,586,627,373.72/851,962.78
  6. Step 6: Final answer
    x = 648,604.19

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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.