Home / 851,252.80-1,276,879.20-496,667.20

Finding the Fourth Proportional to 851,252.80, 1,276,879.20 and 496,667.20

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Solution

The fourth proportional to 851,252.80, 1,276,879.20 and 496,667.20 is: 745,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,252.80 : 1,276,879.20 = 496,667.20 : x
  2. Step 2: Convert to fraction form
    851,252.80/1,276,879.20 = 496,667.20/x
  3. Step 3: Cross multiply
    851,252.80x = 1,276,879.20 × 496,667.20
  4. Step 4: Simplify right side
    851,252.80x = 634,184,017,002.24
  5. Step 5: Solve for x
    x = 634,184,017,002.24/851,252.80
  6. Step 6: Final answer
    x = 745,000.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.