Home / 860,255.55-1,187,133.14-467,779.95

Finding the Fourth Proportional to 860,255.55, 1,187,133.14 and 467,779.95

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Solution

The fourth proportional to 860,255.55, 1,187,133.14 and 467,779.95 is: 645,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,255.55 : 1,187,133.14 = 467,779.95 : x
  2. Step 2: Convert to fraction form
    860,255.55/1,187,133.14 = 467,779.95/x
  3. Step 3: Cross multiply
    860,255.55x = 1,187,133.14 × 467,779.95
  4. Step 4: Simplify right side
    860,255.55x = 555,317,078,533.64
  5. Step 5: Solve for x
    x = 555,317,078,533.64/860,255.55
  6. Step 6: Final answer
    x = 645,525.71

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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.