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Finding the Fourth Proportional to 607,364.74, 910,953.60 and 202,564

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Solution

The fourth proportional to 607,364.74, 910,953.60 and 202,564 is: 303,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,364.74 : 910,953.60 = 202,564 : x
  2. Step 2: Convert to fraction form
    607,364.74/910,953.60 = 202,564/x
  3. Step 3: Cross multiply
    607,364.74x = 910,953.60 × 202,564
  4. Step 4: Simplify right side
    607,364.74x = 184,526,405,030.40
  5. Step 5: Solve for x
    x = 184,526,405,030.40/607,364.74
  6. Step 6: Final answer
    x = 303,814.81

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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.