Home / 841,655.40-1,262,660.64-272,992.32

Finding the Fourth Proportional to 841,655.40, 1,262,660.64 and 272,992.32

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Solution

The fourth proportional to 841,655.40, 1,262,660.64 and 272,992.32 is: 409,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,655.40 : 1,262,660.64 = 272,992.32 : x
  2. Step 2: Convert to fraction form
    841,655.40/1,262,660.64 = 272,992.32/x
  3. Step 3: Cross multiply
    841,655.40x = 1,262,660.64 × 272,992.32
  4. Step 4: Simplify right side
    841,655.40x = 344,696,657,486.29
  5. Step 5: Solve for x
    x = 344,696,657,486.29/841,655.40
  6. Step 6: Final answer
    x = 409,546.07

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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.