Home / 852,452.95-1,176,379.29-470,479.74

Finding the Fourth Proportional to 852,452.95, 1,176,379.29 and 470,479.74

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Solution

The fourth proportional to 852,452.95, 1,176,379.29 and 470,479.74 is: 649,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,452.95 : 1,176,379.29 = 470,479.74 : x
  2. Step 2: Convert to fraction form
    852,452.95/1,176,379.29 = 470,479.74/x
  3. Step 3: Cross multiply
    852,452.95x = 1,176,379.29 × 470,479.74
  4. Step 4: Simplify right side
    852,452.95x = 553,462,622,500.59
  5. Step 5: Solve for x
    x = 553,462,622,500.59/852,452.95
  6. Step 6: Final answer
    x = 649,258.85

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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.