Home / 875,554.40-1,208,265-493,581.20

Finding the Fourth Proportional to 875,554.40, 1,208,265 and 493,581.20

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Solution

The fourth proportional to 875,554.40, 1,208,265 and 493,581.20 is: 681,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,554.40 : 1,208,265 = 493,581.20 : x
  2. Step 2: Convert to fraction form
    875,554.40/1,208,265 = 493,581.20/x
  3. Step 3: Cross multiply
    875,554.40x = 1,208,265 × 493,581.20
  4. Step 4: Simplify right side
    875,554.40x = 596,376,888,618
  5. Step 5: Solve for x
    x = 596,376,888,618/875,554.40
  6. Step 6: Final answer
    x = 681,142.02

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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.