Home / 743,574.67-1,026,139.54-404,042.91

Finding the Fourth Proportional to 743,574.67, 1,026,139.54 and 404,042.91

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Solution

The fourth proportional to 743,574.67, 1,026,139.54 and 404,042.91 is: 557,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.67 : 1,026,139.54 = 404,042.91 : x
  2. Step 2: Convert to fraction form
    743,574.67/1,026,139.54 = 404,042.91/x
  3. Step 3: Cross multiply
    743,574.67x = 1,026,139.54 × 404,042.91
  4. Step 4: Simplify right side
    743,574.67x = 414,604,405,807.66
  5. Step 5: Solve for x
    x = 414,604,405,807.66/743,574.67
  6. Step 6: Final answer
    x = 557,582.75

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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.