Home / 740,976.32-1,022,548.40-401,444.60

Finding the Fourth Proportional to 740,976.32, 1,022,548.40 and 401,444.60

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Solution

The fourth proportional to 740,976.32, 1,022,548.40 and 401,444.60 is: 553,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,976.32 : 1,022,548.40 = 401,444.60 : x
  2. Step 2: Convert to fraction form
    740,976.32/1,022,548.40 = 401,444.60/x
  3. Step 3: Cross multiply
    740,976.32x = 1,022,548.40 × 401,444.60
  4. Step 4: Simplify right side
    740,976.32x = 410,496,533,418.64
  5. Step 5: Solve for x
    x = 410,496,533,418.64/740,976.32
  6. Step 6: Final answer
    x = 553,994.13

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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.