Home / 852,510.57-1,176,380.78-470,512.73

Finding the Fourth Proportional to 852,510.57, 1,176,380.78 and 470,512.73

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Solution

The fourth proportional to 852,510.57, 1,176,380.78 and 470,512.73 is: 649,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,510.57 : 1,176,380.78 = 470,512.73 : x
  2. Step 2: Convert to fraction form
    852,510.57/1,176,380.78 = 470,512.73/x
  3. Step 3: Cross multiply
    852,510.57x = 1,176,380.78 × 470,512.73
  4. Step 4: Simplify right side
    852,510.57x = 553,502,124,082.86
  5. Step 5: Solve for x
    x = 553,502,124,082.86/852,510.57
  6. Step 6: Final answer
    x = 649,261.30

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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.