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Finding the Fourth Proportional to 647,450.82, 893,547.45 and 375,601.86

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Solution

The fourth proportional to 647,450.82, 893,547.45 and 375,601.86 is: 518,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,450.82 : 893,547.45 = 375,601.86 : x
  2. Step 2: Convert to fraction form
    647,450.82/893,547.45 = 375,601.86/x
  3. Step 3: Cross multiply
    647,450.82x = 893,547.45 × 375,601.86
  4. Step 4: Simplify right side
    647,450.82x = 335,618,084,218.26
  5. Step 5: Solve for x
    x = 335,618,084,218.26/647,450.82
  6. Step 6: Final answer
    x = 518,368.46

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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.