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Finding the Fourth Proportional to 458,208.86, 632,987.82 and 366,210.35

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Solution

The fourth proportional to 458,208.86, 632,987.82 and 366,210.35 is: 505,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,208.86 : 632,987.82 = 366,210.35 : x
  2. Step 2: Convert to fraction form
    458,208.86/632,987.82 = 366,210.35/x
  3. Step 3: Cross multiply
    458,208.86x = 632,987.82 × 366,210.35
  4. Step 4: Simplify right side
    458,208.86x = 231,806,692,690.41
  5. Step 5: Solve for x
    x = 231,806,692,690.41/458,208.86
  6. Step 6: Final answer
    x = 505,897.44

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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.