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Finding the Fourth Proportional to 653,364.60, 901,580.40 and 366,819

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Solution

The fourth proportional to 653,364.60, 901,580.40 and 366,819 is: 506,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,364.60 : 901,580.40 = 366,819 : x
  2. Step 2: Convert to fraction form
    653,364.60/901,580.40 = 366,819/x
  3. Step 3: Cross multiply
    653,364.60x = 901,580.40 × 366,819
  4. Step 4: Simplify right side
    653,364.60x = 330,716,820,747.60
  5. Step 5: Solve for x
    x = 330,716,820,747.60/653,364.60
  6. Step 6: Final answer
    x = 506,174.99

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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.