Home / 875,467.12-1,208,247.80-488,343.52

Finding the Fourth Proportional to 875,467.12, 1,208,247.80 and 488,343.52

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Solution

The fourth proportional to 875,467.12, 1,208,247.80 and 488,343.52 is: 673,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,467.12 : 1,208,247.80 = 488,343.52 : x
  2. Step 2: Convert to fraction form
    875,467.12/1,208,247.80 = 488,343.52/x
  3. Step 3: Cross multiply
    875,467.12x = 1,208,247.80 × 488,343.52
  4. Step 4: Simplify right side
    875,467.12x = 590,039,983,684.26
  5. Step 5: Solve for x
    x = 590,039,983,684.26/875,467.12
  6. Step 6: Final answer
    x = 673,971.61

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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.