Home / 647,935.10-894,328.28-376,090.58

Finding the Fourth Proportional to 647,935.10, 894,328.28 and 376,090.58

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Solution

The fourth proportional to 647,935.10, 894,328.28 and 376,090.58 is: 519,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,935.10 : 894,328.28 = 376,090.58 : x
  2. Step 2: Convert to fraction form
    647,935.10/894,328.28 = 376,090.58/x
  3. Step 3: Cross multiply
    647,935.10x = 894,328.28 × 376,090.58
  4. Step 4: Simplify right side
    647,935.10x = 336,348,440,386.22
  5. Step 5: Solve for x
    x = 336,348,440,386.22/647,935.10
  6. Step 6: Final answer
    x = 519,108.23

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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.