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Finding the Fourth Proportional to 433,590.90, 650,386.35 and 363,606.90

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Solution

The fourth proportional to 433,590.90, 650,386.35 and 363,606.90 is: 545,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,590.90 : 650,386.35 = 363,606.90 : x
  2. Step 2: Convert to fraction form
    433,590.90/650,386.35 = 363,606.90/x
  3. Step 3: Cross multiply
    433,590.90x = 650,386.35 × 363,606.90
  4. Step 4: Simplify right side
    433,590.90x = 236,484,964,525.82
  5. Step 5: Solve for x
    x = 236,484,964,525.82/433,590.90
  6. Step 6: Final answer
    x = 545,410.35

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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.