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Finding the Fourth Proportional to 685,557.60, 1,026,003.60 and 601,576.80

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Solution

The fourth proportional to 685,557.60, 1,026,003.60 and 601,576.80 is: 900,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,557.60 : 1,026,003.60 = 601,576.80 : x
  2. Step 2: Convert to fraction form
    685,557.60/1,026,003.60 = 601,576.80/x
  3. Step 3: Cross multiply
    685,557.60x = 1,026,003.60 × 601,576.80
  4. Step 4: Simplify right side
    685,557.60x = 617,219,962,476.48
  5. Step 5: Solve for x
    x = 617,219,962,476.48/685,557.60
  6. Step 6: Final answer
    x = 900,318.17

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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.