Home / 672,781.74-1,009,172.57-461,779.98

Finding the Fourth Proportional to 672,781.74, 1,009,172.57 and 461,779.98

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Solution

The fourth proportional to 672,781.74, 1,009,172.57 and 461,779.98 is: 692,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,781.74 : 1,009,172.57 = 461,779.98 : x
  2. Step 2: Convert to fraction form
    672,781.74/1,009,172.57 = 461,779.98/x
  3. Step 3: Cross multiply
    672,781.74x = 1,009,172.57 × 461,779.98
  4. Step 4: Simplify right side
    672,781.74x = 466,015,689,191.15
  5. Step 5: Solve for x
    x = 466,015,689,191.15/672,781.74
  6. Step 6: Final answer
    x = 692,669.94

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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.