Home / 875,641.65-1,208,383.49-493,665.71

Finding the Fourth Proportional to 875,641.65, 1,208,383.49 and 493,665.71

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Solution

The fourth proportional to 875,641.65, 1,208,383.49 and 493,665.71 is: 681,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,641.65 : 1,208,383.49 = 493,665.71 : x
  2. Step 2: Convert to fraction form
    875,641.65/1,208,383.49 = 493,665.71/x
  3. Step 3: Cross multiply
    875,641.65x = 1,208,383.49 × 493,665.71
  4. Step 4: Simplify right side
    875,641.65x = 596,537,485,032.88
  5. Step 5: Solve for x
    x = 596,537,485,032.88/875,641.65
  6. Step 6: Final answer
    x = 681,257.55

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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.