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Finding the Fourth Proportional to 664,153.60, 916,542.48 and 362,347.60

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Solution

The fourth proportional to 664,153.60, 916,542.48 and 362,347.60 is: 500,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,153.60 : 916,542.48 = 362,347.60 : x
  2. Step 2: Convert to fraction form
    664,153.60/916,542.48 = 362,347.60/x
  3. Step 3: Cross multiply
    664,153.60x = 916,542.48 × 362,347.60
  4. Step 4: Simplify right side
    664,153.60x = 332,106,967,926.05
  5. Step 5: Solve for x
    x = 332,106,967,926.05/664,153.60
  6. Step 6: Final answer
    x = 500,045.42

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1.5x scale

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.