Home / 870,292.86-1,305,143.65-301,541.22

Finding the Fourth Proportional to 870,292.86, 1,305,143.65 and 301,541.22

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Solution

The fourth proportional to 870,292.86, 1,305,143.65 and 301,541.22 is: 452,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,292.86 : 1,305,143.65 = 301,541.22 : x
  2. Step 2: Convert to fraction form
    870,292.86/1,305,143.65 = 301,541.22/x
  3. Step 3: Cross multiply
    870,292.86x = 1,305,143.65 × 301,541.22
  4. Step 4: Simplify right side
    870,292.86x = 393,554,608,496.25
  5. Step 5: Solve for x
    x = 393,554,608,496.25/870,292.86
  6. Step 6: Final answer
    x = 452,209.40

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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.