Home / 852,847.40-1,176,947.76-470,898.32

Finding the Fourth Proportional to 852,847.40, 1,176,947.76 and 470,898.32

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Solution

The fourth proportional to 852,847.40, 1,176,947.76 and 470,898.32 is: 649,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,847.40 : 1,176,947.76 = 470,898.32 : x
  2. Step 2: Convert to fraction form
    852,847.40/1,176,947.76 = 470,898.32/x
  3. Step 3: Cross multiply
    852,847.40x = 1,176,947.76 × 470,898.32
  4. Step 4: Simplify right side
    852,847.40x = 554,222,722,911.76
  5. Step 5: Solve for x
    x = 554,222,722,911.76/852,847.40
  6. Step 6: Final answer
    x = 649,849.81

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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.