Home / 743,574.15-1,026,138.84-404,042.40

Finding the Fourth Proportional to 743,574.15, 1,026,138.84 and 404,042.40

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Solution

The fourth proportional to 743,574.15, 1,026,138.84 and 404,042.40 is: 557,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.15 : 1,026,138.84 = 404,042.40 : x
  2. Step 2: Convert to fraction form
    743,574.15/1,026,138.84 = 404,042.40/x
  3. Step 3: Cross multiply
    743,574.15x = 1,026,138.84 × 404,042.40
  4. Step 4: Simplify right side
    743,574.15x = 414,603,599,646.82
  5. Step 5: Solve for x
    x = 414,603,599,646.82/743,574.15
  6. Step 6: Final answer
    x = 557,582.05

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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.