Home / 668,477.10-1,001,170.98-401,649.42

Finding the Fourth Proportional to 668,477.10, 1,001,170.98 and 401,649.42

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Solution

The fourth proportional to 668,477.10, 1,001,170.98 and 401,649.42 is: 601,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,477.10 : 1,001,170.98 = 401,649.42 : x
  2. Step 2: Convert to fraction form
    668,477.10/1,001,170.98 = 401,649.42/x
  3. Step 3: Cross multiply
    668,477.10x = 1,001,170.98 × 401,649.42
  4. Step 4: Simplify right side
    668,477.10x = 402,119,743,437.83
  5. Step 5: Solve for x
    x = 402,119,743,437.83/668,477.10
  6. Step 6: Final answer
    x = 601,546.03

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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.