Home / 873,803.12-1,310,266.28-509,182.86

Finding the Fourth Proportional to 873,803.12, 1,310,266.28 and 509,182.86

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Solution

The fourth proportional to 873,803.12, 1,310,266.28 and 509,182.86 is: 763,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,803.12 : 1,310,266.28 = 509,182.86 : x
  2. Step 2: Convert to fraction form
    873,803.12/1,310,266.28 = 509,182.86/x
  3. Step 3: Cross multiply
    873,803.12x = 1,310,266.28 × 509,182.86
  4. Step 4: Simplify right side
    873,803.12x = 667,165,131,811.96
  5. Step 5: Solve for x
    x = 667,165,131,811.96/873,803.12
  6. Step 6: Final answer
    x = 763,518.83

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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.