Home / 852,476.46-1,176,415.10-470,500.50

Finding the Fourth Proportional to 852,476.46, 1,176,415.10 and 470,500.50

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Solution

The fourth proportional to 852,476.46, 1,176,415.10 and 470,500.50 is: 649,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,476.46 : 1,176,415.10 = 470,500.50 : x
  2. Step 2: Convert to fraction form
    852,476.46/1,176,415.10 = 470,500.50/x
  3. Step 3: Cross multiply
    852,476.46x = 1,176,415.10 × 470,500.50
  4. Step 4: Simplify right side
    852,476.46x = 553,503,890,405.05
  5. Step 5: Solve for x
    x = 553,503,890,405.05/852,476.46
  6. Step 6: Final answer
    x = 649,289.35

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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.