Home / 743,899.20-1,026,568.80-404,376

Finding the Fourth Proportional to 743,899.20, 1,026,568.80 and 404,376

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Solution

The fourth proportional to 743,899.20, 1,026,568.80 and 404,376 is: 558,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,899.20 : 1,026,568.80 = 404,376 : x
  2. Step 2: Convert to fraction form
    743,899.20/1,026,568.80 = 404,376/x
  3. Step 3: Cross multiply
    743,899.20x = 1,026,568.80 × 404,376
  4. Step 4: Simplify right side
    743,899.20x = 415,119,785,068.80
  5. Step 5: Solve for x
    x = 415,119,785,068.80/743,899.20
  6. Step 6: Final answer
    x = 558,032.30

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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.