Home / 740,830.52-1,022,351.04-401,298.80

Finding the Fourth Proportional to 740,830.52, 1,022,351.04 and 401,298.80

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Solution

The fourth proportional to 740,830.52, 1,022,351.04 and 401,298.80 is: 553,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,830.52 : 1,022,351.04 = 401,298.80 : x
  2. Step 2: Convert to fraction form
    740,830.52/1,022,351.04 = 401,298.80/x
  3. Step 3: Cross multiply
    740,830.52x = 1,022,351.04 × 401,298.80
  4. Step 4: Simplify right side
    740,830.52x = 410,268,245,530.75
  5. Step 5: Solve for x
    x = 410,268,245,530.75/740,830.52
  6. Step 6: Final answer
    x = 553,795.01

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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.