Home / 740,975.28-1,022,550.68-401,443.54

Finding the Fourth Proportional to 740,975.28, 1,022,550.68 and 401,443.54

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Solution

The fourth proportional to 740,975.28, 1,022,550.68 and 401,443.54 is: 553,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,975.28 : 1,022,550.68 = 401,443.54 : x
  2. Step 2: Convert to fraction form
    740,975.28/1,022,550.68 = 401,443.54/x
  3. Step 3: Cross multiply
    740,975.28x = 1,022,550.68 × 401,443.54
  4. Step 4: Simplify right side
    740,975.28x = 410,496,364,808.61
  5. Step 5: Solve for x
    x = 410,496,364,808.61/740,975.28
  6. Step 6: Final answer
    x = 553,994.68

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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.