Home / 743,574.91-1,026,139.52-404,043.16

Finding the Fourth Proportional to 743,574.91, 1,026,139.52 and 404,043.16

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Solution

The fourth proportional to 743,574.91, 1,026,139.52 and 404,043.16 is: 557,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.91 : 1,026,139.52 = 404,043.16 : x
  2. Step 2: Convert to fraction form
    743,574.91/1,026,139.52 = 404,043.16/x
  3. Step 3: Cross multiply
    743,574.91x = 1,026,139.52 × 404,043.16
  4. Step 4: Simplify right side
    743,574.91x = 414,604,654,261.68
  5. Step 5: Solve for x
    x = 414,604,654,261.68/743,574.91
  6. Step 6: Final answer
    x = 557,582.90

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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.