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Finding the Fourth Proportional to 655,750.66, 904,918.22 and 369,264.58

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Solution

The fourth proportional to 655,750.66, 904,918.22 and 369,264.58 is: 509,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,750.66 : 904,918.22 = 369,264.58 : x
  2. Step 2: Convert to fraction form
    655,750.66/904,918.22 = 369,264.58/x
  3. Step 3: Cross multiply
    655,750.66x = 904,918.22 × 369,264.58
  4. Step 4: Simplify right side
    655,750.66x = 334,154,246,442.65
  5. Step 5: Solve for x
    x = 334,154,246,442.65/655,750.66
  6. Step 6: Final answer
    x = 509,575.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.