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Finding the Fourth Proportional to 841,032, 1,262,072.88 and 342,396

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Solution

The fourth proportional to 841,032, 1,262,072.88 and 342,396 is: 513,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,032 : 1,262,072.88 = 342,396 : x
  2. Step 2: Convert to fraction form
    841,032/1,262,072.88 = 342,396/x
  3. Step 3: Cross multiply
    841,032x = 1,262,072.88 × 342,396
  4. Step 4: Simplify right side
    841,032x = 432,128,705,820.48
  5. Step 5: Solve for x
    x = 432,128,705,820.48/841,032
  6. Step 6: Final answer
    x = 513,807.69

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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.