Home / 740,271-1,021,574.52-400,739.52

Finding the Fourth Proportional to 740,271, 1,021,574.52 and 400,739.52

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Solution

The fourth proportional to 740,271, 1,021,574.52 and 400,739.52 is: 553,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,271 : 1,021,574.52 = 400,739.52 : x
  2. Step 2: Convert to fraction form
    740,271/1,021,574.52 = 400,739.52/x
  3. Step 3: Cross multiply
    740,271x = 1,021,574.52 × 400,739.52
  4. Step 4: Simplify right side
    740,271x = 409,385,282,789.03
  5. Step 5: Solve for x
    x = 409,385,282,789.03/740,271
  6. Step 6: Final answer
    x = 553,020.83

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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.