Home / 852,455.21-1,176,382.40-470,481.98

Finding the Fourth Proportional to 852,455.21, 1,176,382.40 and 470,481.98

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Solution

The fourth proportional to 852,455.21, 1,176,382.40 and 470,481.98 is: 649,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,455.21 : 1,176,382.40 = 470,481.98 : x
  2. Step 2: Convert to fraction form
    852,455.21/1,176,382.40 = 470,481.98/x
  3. Step 3: Cross multiply
    852,455.21x = 1,176,382.40 × 470,481.98
  4. Step 4: Simplify right side
    852,455.21x = 553,466,718,436.74
  5. Step 5: Solve for x
    x = 553,466,718,436.74/852,455.21
  6. Step 6: Final answer
    x = 649,261.93

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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.