Home / 740,904.90-1,022,448.57-401,373.06

Finding the Fourth Proportional to 740,904.90, 1,022,448.57 and 401,373.06

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Solution

The fourth proportional to 740,904.90, 1,022,448.57 and 401,373.06 is: 553,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,904.90 : 1,022,448.57 = 401,373.06 : x
  2. Step 2: Convert to fraction form
    740,904.90/1,022,448.57 = 401,373.06/x
  3. Step 3: Cross multiply
    740,904.90x = 1,022,448.57 × 401,373.06
  4. Step 4: Simplify right side
    740,904.90x = 410,383,311,233.52
  5. Step 5: Solve for x
    x = 410,383,311,233.52/740,904.90
  6. Step 6: Final answer
    x = 553,894.72

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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.