Home / 852,688.45-1,176,702.85-470,707.03

Finding the Fourth Proportional to 852,688.45, 1,176,702.85 and 470,707.03

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Solution

The fourth proportional to 852,688.45, 1,176,702.85 and 470,707.03 is: 649,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,688.45 : 1,176,702.85 = 470,707.03 : x
  2. Step 2: Convert to fraction form
    852,688.45/1,176,702.85 = 470,707.03/x
  3. Step 3: Cross multiply
    852,688.45x = 1,176,702.85 × 470,707.03
  4. Step 4: Simplify right side
    852,688.45x = 553,882,303,127.57
  5. Step 5: Solve for x
    x = 553,882,303,127.57/852,688.45
  6. Step 6: Final answer
    x = 649,571.72

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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.