Home / 852,638.41-1,176,650.45-470,665.63

Finding the Fourth Proportional to 852,638.41, 1,176,650.45 and 470,665.63

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Solution

The fourth proportional to 852,638.41, 1,176,650.45 and 470,665.63 is: 649,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,638.41 : 1,176,650.45 = 470,665.63 : x
  2. Step 2: Convert to fraction form
    852,638.41/1,176,650.45 = 470,665.63/x
  3. Step 3: Cross multiply
    852,638.41x = 1,176,650.45 × 470,665.63
  4. Step 4: Simplify right side
    852,638.41x = 553,808,925,339.03
  5. Step 5: Solve for x
    x = 553,808,925,339.03/852,638.41
  6. Step 6: Final answer
    x = 649,523.78

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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.