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Finding the Fourth Proportional to 657,460.36, 907,297.62 and 355,654.36

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Solution

The fourth proportional to 657,460.36, 907,297.62 and 355,654.36 is: 490,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,460.36 : 907,297.62 = 355,654.36 : x
  2. Step 2: Convert to fraction form
    657,460.36/907,297.62 = 355,654.36/x
  3. Step 3: Cross multiply
    657,460.36x = 907,297.62 × 355,654.36
  4. Step 4: Simplify right side
    657,460.36x = 322,684,354,370.62
  5. Step 5: Solve for x
    x = 322,684,354,370.62/657,460.36
  6. Step 6: Final answer
    x = 490,804.27

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1.5x scale

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.