Home / 401,466.16-552,632.52-346,993.30

Finding the Fourth Proportional to 401,466.16, 552,632.52 and 346,993.30

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Solution

The fourth proportional to 401,466.16, 552,632.52 and 346,993.30 is: 477,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,466.16 : 552,632.52 = 346,993.30 : x
  2. Step 2: Convert to fraction form
    401,466.16/552,632.52 = 346,993.30/x
  3. Step 3: Cross multiply
    401,466.16x = 552,632.52 × 346,993.30
  4. Step 4: Simplify right side
    401,466.16x = 191,759,781,802.12
  5. Step 5: Solve for x
    x = 191,759,781,802.12/401,466.16
  6. Step 6: Final answer
    x = 477,648.68

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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.