Home / 841,652.40-1,262,656.13-272,989.34

Finding the Fourth Proportional to 841,652.40, 1,262,656.13 and 272,989.34

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Solution

The fourth proportional to 841,652.40, 1,262,656.13 and 272,989.34 is: 409,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,652.40 : 1,262,656.13 = 272,989.34 : x
  2. Step 2: Convert to fraction form
    841,652.40/1,262,656.13 = 272,989.34/x
  3. Step 3: Cross multiply
    841,652.40x = 1,262,656.13 × 272,989.34
  4. Step 4: Simplify right side
    841,652.40x = 344,691,663,575.65
  5. Step 5: Solve for x
    x = 344,691,663,575.65/841,652.40
  6. Step 6: Final answer
    x = 409,541.59

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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.