Home / 740,802.32-1,022,308.62-401,270.84

Finding the Fourth Proportional to 740,802.32, 1,022,308.62 and 401,270.84

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Solution

The fourth proportional to 740,802.32, 1,022,308.62 and 401,270.84 is: 553,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,802.32 : 1,022,308.62 = 401,270.84 : x
  2. Step 2: Convert to fraction form
    740,802.32/1,022,308.62 = 401,270.84/x
  3. Step 3: Cross multiply
    740,802.32x = 1,022,308.62 × 401,270.84
  4. Step 4: Simplify right side
    740,802.32x = 410,222,638,686.64
  5. Step 5: Solve for x
    x = 410,222,638,686.64/740,802.32
  6. Step 6: Final answer
    x = 553,754.53

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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.