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Finding the Fourth Proportional to 611,999.60, 917,999.40 and 601,631.60

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Solution

The fourth proportional to 611,999.60, 917,999.40 and 601,631.60 is: 902,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,999.60 : 917,999.40 = 601,631.60 : x
  2. Step 2: Convert to fraction form
    611,999.60/917,999.40 = 601,631.60/x
  3. Step 3: Cross multiply
    611,999.60x = 917,999.40 × 601,631.60
  4. Step 4: Simplify right side
    611,999.60x = 552,297,447,821.04
  5. Step 5: Solve for x
    x = 552,297,447,821.04/611,999.60
  6. Step 6: Final answer
    x = 902,447.40

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1.5x scale

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.