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Finding the Fourth Proportional to 616,317.52, 850,602.67 and 354,667.45

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Solution

The fourth proportional to 616,317.52, 850,602.67 and 354,667.45 is: 489,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,317.52 : 850,602.67 = 354,667.45 : x
  2. Step 2: Convert to fraction form
    616,317.52/850,602.67 = 354,667.45/x
  3. Step 3: Cross multiply
    616,317.52x = 850,602.67 × 354,667.45
  4. Step 4: Simplify right side
    616,317.52x = 301,681,073,905.74
  5. Step 5: Solve for x
    x = 301,681,073,905.74/616,317.52
  6. Step 6: Final answer
    x = 489,489.69

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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.