Home / 875,880.39-1,208,935.17-494,128.59

Finding the Fourth Proportional to 875,880.39, 1,208,935.17 and 494,128.59

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Solution

The fourth proportional to 875,880.39, 1,208,935.17 and 494,128.59 is: 682,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,880.39 : 1,208,935.17 = 494,128.59 : x
  2. Step 2: Convert to fraction form
    875,880.39/1,208,935.17 = 494,128.59/x
  3. Step 3: Cross multiply
    875,880.39x = 1,208,935.17 × 494,128.59
  4. Step 4: Simplify right side
    875,880.39x = 597,369,430,953.51
  5. Step 5: Solve for x
    x = 597,369,430,953.51/875,880.39
  6. Step 6: Final answer
    x = 682,021.70

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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.