Home / 870,079.95-1,305,182.09-364,131.47

Finding the Fourth Proportional to 870,079.95, 1,305,182.09 and 364,131.47

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Solution

The fourth proportional to 870,079.95, 1,305,182.09 and 364,131.47 is: 546,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,079.95 : 1,305,182.09 = 364,131.47 : x
  2. Step 2: Convert to fraction form
    870,079.95/1,305,182.09 = 364,131.47/x
  3. Step 3: Cross multiply
    870,079.95x = 1,305,182.09 × 364,131.47
  4. Step 4: Simplify right side
    870,079.95x = 475,257,877,222.66
  5. Step 5: Solve for x
    x = 475,257,877,222.66/870,079.95
  6. Step 6: Final answer
    x = 546,223.23

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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.