Home / 870,925.71-1,201,846.64-488,968.59

Finding the Fourth Proportional to 870,925.71, 1,201,846.64 and 488,968.59

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Solution

The fourth proportional to 870,925.71, 1,201,846.64 and 488,968.59 is: 674,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,925.71 : 1,201,846.64 = 488,968.59 : x
  2. Step 2: Convert to fraction form
    870,925.71/1,201,846.64 = 488,968.59/x
  3. Step 3: Cross multiply
    870,925.71x = 1,201,846.64 × 488,968.59
  4. Step 4: Simplify right side
    870,925.71x = 587,665,254,512.20
  5. Step 5: Solve for x
    x = 587,665,254,512.20/870,925.71
  6. Step 6: Final answer
    x = 674,759.34

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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.