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Finding the Fourth Proportional to 700,588.13, 964,775.25 and 608,664.87

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Solution

The fourth proportional to 700,588.13, 964,775.25 and 608,664.87 is: 838,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,588.13 : 964,775.25 = 608,664.87 : x
  2. Step 2: Convert to fraction form
    700,588.13/964,775.25 = 608,664.87/x
  3. Step 3: Cross multiply
    700,588.13x = 964,775.25 × 608,664.87
  4. Step 4: Simplify right side
    700,588.13x = 587,224,802,120.47
  5. Step 5: Solve for x
    x = 587,224,802,120.47/700,588.13
  6. Step 6: Final answer
    x = 838,188.35

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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.