Home / 870,292.08-1,305,410.76-239,200.44

Finding the Fourth Proportional to 870,292.08, 1,305,410.76 and 239,200.44

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Solution

The fourth proportional to 870,292.08, 1,305,410.76 and 239,200.44 is: 358,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,292.08 : 1,305,410.76 = 239,200.44 : x
  2. Step 2: Convert to fraction form
    870,292.08/1,305,410.76 = 239,200.44/x
  3. Step 3: Cross multiply
    870,292.08x = 1,305,410.76 × 239,200.44
  4. Step 4: Simplify right side
    870,292.08x = 312,254,828,172.73
  5. Step 5: Solve for x
    x = 312,254,828,172.73/870,292.08
  6. Step 6: Final answer
    x = 358,793.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.