Home / 860,627.61-1,187,642.30-468,147.53

Finding the Fourth Proportional to 860,627.61, 1,187,642.30 and 468,147.53

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Solution

The fourth proportional to 860,627.61, 1,187,642.30 and 468,147.53 is: 646,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,627.61 : 1,187,642.30 = 468,147.53 : x
  2. Step 2: Convert to fraction form
    860,627.61/1,187,642.30 = 468,147.53/x
  3. Step 3: Cross multiply
    860,627.61x = 1,187,642.30 × 468,147.53
  4. Step 4: Simplify right side
    860,627.61x = 555,991,809,896.89
  5. Step 5: Solve for x
    x = 555,991,809,896.89/860,627.61
  6. Step 6: Final answer
    x = 646,030.64

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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.