Home / 860,325.44-1,187,241.91-478,348.88

Finding the Fourth Proportional to 860,325.44, 1,187,241.91 and 478,348.88

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Solution

The fourth proportional to 860,325.44, 1,187,241.91 and 478,348.88 is: 660,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,325.44 : 1,187,241.91 = 478,348.88 : x
  2. Step 2: Convert to fraction form
    860,325.44/1,187,241.91 = 478,348.88/x
  3. Step 3: Cross multiply
    860,325.44x = 1,187,241.91 × 478,348.88
  4. Step 4: Simplify right side
    860,325.44x = 567,915,830,805.48
  5. Step 5: Solve for x
    x = 567,915,830,805.48/860,325.44
  6. Step 6: Final answer
    x = 660,117.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.