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Finding the Fourth Proportional to 611,765.20, 917,647.80 and 601,267.60

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Solution

The fourth proportional to 611,765.20, 917,647.80 and 601,267.60 is: 901,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,765.20 : 917,647.80 = 601,267.60 : x
  2. Step 2: Convert to fraction form
    611,765.20/917,647.80 = 601,267.60/x
  3. Step 3: Cross multiply
    611,765.20x = 917,647.80 × 601,267.60
  4. Step 4: Simplify right side
    611,765.20x = 551,751,890,351.28
  5. Step 5: Solve for x
    x = 551,751,890,351.28/611,765.20
  6. Step 6: Final answer
    x = 901,901.40

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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.