Home / 630,039.33-869,422.73-358,071.30

Finding the Fourth Proportional to 630,039.33, 869,422.73 and 358,071.30

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Solution

The fourth proportional to 630,039.33, 869,422.73 and 358,071.30 is: 494,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,039.33 : 869,422.73 = 358,071.30 : x
  2. Step 2: Convert to fraction form
    630,039.33/869,422.73 = 358,071.30/x
  3. Step 3: Cross multiply
    630,039.33x = 869,422.73 × 358,071.30
  4. Step 4: Simplify right side
    630,039.33x = 311,315,325,390.29
  5. Step 5: Solve for x
    x = 311,315,325,390.29/630,039.33
  6. Step 6: Final answer
    x = 494,120.46

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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.