Home / 841,821.59-1,262,856.96-309,301.13

Finding the Fourth Proportional to 841,821.59, 1,262,856.96 and 309,301.13

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Solution

The fourth proportional to 841,821.59, 1,262,856.96 and 309,301.13 is: 463,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,821.59 : 1,262,856.96 = 309,301.13 : x
  2. Step 2: Convert to fraction form
    841,821.59/1,262,856.96 = 309,301.13/x
  3. Step 3: Cross multiply
    841,821.59x = 1,262,856.96 × 309,301.13
  4. Step 4: Simplify right side
    841,821.59x = 390,603,087,913.51
  5. Step 5: Solve for x
    x = 390,603,087,913.51/841,821.59
  6. Step 6: Final answer
    x = 463,997.47

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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.