Home / 841,519.58-1,262,236.35-308,999.66

Finding the Fourth Proportional to 841,519.58, 1,262,236.35 and 308,999.66

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Solution

The fourth proportional to 841,519.58, 1,262,236.35 and 308,999.66 is: 463,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,519.58 : 1,262,236.35 = 308,999.66 : x
  2. Step 2: Convert to fraction form
    841,519.58/1,262,236.35 = 308,999.66/x
  3. Step 3: Cross multiply
    841,519.58x = 1,262,236.35 × 308,999.66
  4. Step 4: Simplify right side
    841,519.58x = 390,030,602,989.64
  5. Step 5: Solve for x
    x = 390,030,602,989.64/841,519.58
  6. Step 6: Final answer
    x = 463,483.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.