Home / 852,622.20-1,176,618.86-470,648.98

Finding the Fourth Proportional to 852,622.20, 1,176,618.86 and 470,648.98

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Solution

The fourth proportional to 852,622.20, 1,176,618.86 and 470,648.98 is: 649,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,622.20 : 1,176,618.86 = 470,648.98 : x
  2. Step 2: Convert to fraction form
    852,622.20/1,176,618.86 = 470,648.98/x
  3. Step 3: Cross multiply
    852,622.20x = 1,176,618.86 × 470,648.98
  4. Step 4: Simplify right side
    852,622.20x = 553,774,467,190.23
  5. Step 5: Solve for x
    x = 553,774,467,190.23/852,622.20
  6. Step 6: Final answer
    x = 649,495.72

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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.