Home / 841,642.45-1,262,732.64-301,534.09

Finding the Fourth Proportional to 841,642.45, 1,262,732.64 and 301,534.09

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Solution

The fourth proportional to 841,642.45, 1,262,732.64 and 301,534.09 is: 452,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,642.45 : 1,262,732.64 = 301,534.09 : x
  2. Step 2: Convert to fraction form
    841,642.45/1,262,732.64 = 301,534.09/x
  3. Step 3: Cross multiply
    841,642.45x = 1,262,732.64 × 301,534.09
  4. Step 4: Simplify right side
    841,642.45x = 380,756,934,358.87
  5. Step 5: Solve for x
    x = 380,756,934,358.87/841,642.45
  6. Step 6: Final answer
    x = 452,397.49

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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.