Home / 870,879.92-1,201,603.96-508,096.72

Finding the Fourth Proportional to 870,879.92, 1,201,603.96 and 508,096.72

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Solution

The fourth proportional to 870,879.92, 1,201,603.96 and 508,096.72 is: 701,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,879.92 : 1,201,603.96 = 508,096.72 : x
  2. Step 2: Convert to fraction form
    870,879.92/1,201,603.96 = 508,096.72/x
  3. Step 3: Cross multiply
    870,879.92x = 1,201,603.96 × 508,096.72
  4. Step 4: Simplify right side
    870,879.92x = 610,531,030,815.01
  5. Step 5: Solve for x
    x = 610,531,030,815.01/870,879.92
  6. Step 6: Final answer
    x = 701,050.76

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1.5x scale

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.