Home / 870,674.49-1,201,464.86-488,627.46

Finding the Fourth Proportional to 870,674.49, 1,201,464.86 and 488,627.46

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Solution

The fourth proportional to 870,674.49, 1,201,464.86 and 488,627.46 is: 674,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,674.49 : 1,201,464.86 = 488,627.46 : x
  2. Step 2: Convert to fraction form
    870,674.49/1,201,464.86 = 488,627.46/x
  3. Step 3: Cross multiply
    870,674.49x = 1,201,464.86 × 488,627.46
  4. Step 4: Simplify right side
    870,674.49x = 587,068,720,377.92
  5. Step 5: Solve for x
    x = 587,068,720,377.92/870,674.49
  6. Step 6: Final answer
    x = 674,268.89

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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.