Home / 852,715.83-1,176,745.43-470,739.88

Finding the Fourth Proportional to 852,715.83, 1,176,745.43 and 470,739.88

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Solution

The fourth proportional to 852,715.83, 1,176,745.43 and 470,739.88 is: 649,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,715.83 : 1,176,745.43 = 470,739.88 : x
  2. Step 2: Convert to fraction form
    852,715.83/1,176,745.43 = 470,739.88/x
  3. Step 3: Cross multiply
    852,715.83x = 1,176,745.43 × 470,739.88
  4. Step 4: Simplify right side
    852,715.83x = 553,941,002,508.75
  5. Step 5: Solve for x
    x = 553,941,002,508.75/852,715.83
  6. Step 6: Final answer
    x = 649,619.70

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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.