Home / 851,961.28-1,175,700-470,004.16

Finding the Fourth Proportional to 851,961.28, 1,175,700 and 470,004.16

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Solution

The fourth proportional to 851,961.28, 1,175,700 and 470,004.16 is: 648,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,961.28 : 1,175,700 = 470,004.16 : x
  2. Step 2: Convert to fraction form
    851,961.28/1,175,700 = 470,004.16/x
  3. Step 3: Cross multiply
    851,961.28x = 1,175,700 × 470,004.16
  4. Step 4: Simplify right side
    851,961.28x = 552,583,890,912
  5. Step 5: Solve for x
    x = 552,583,890,912/851,961.28
  6. Step 6: Final answer
    x = 648,602.12

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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.