Home / 740,802.44-1,022,307.48-401,270.69

Finding the Fourth Proportional to 740,802.44, 1,022,307.48 and 401,270.69

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Solution

The fourth proportional to 740,802.44, 1,022,307.48 and 401,270.69 is: 553,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,802.44 : 1,022,307.48 = 401,270.69 : x
  2. Step 2: Convert to fraction form
    740,802.44/1,022,307.48 = 401,270.69/x
  3. Step 3: Cross multiply
    740,802.44x = 1,022,307.48 × 401,270.69
  4. Step 4: Simplify right side
    740,802.44x = 410,222,030,447.53
  5. Step 5: Solve for x
    x = 410,222,030,447.53/740,802.44
  6. Step 6: Final answer
    x = 553,753.61

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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.