Home / 971,779.80-1,458,325.80-545,314.80

Finding the Fourth Proportional to 971,779.80, 1,458,325.80 and 545,314.80

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Solution

The fourth proportional to 971,779.80, 1,458,325.80 and 545,314.80 is: 818,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,779.80 : 1,458,325.80 = 545,314.80 : x
  2. Step 2: Convert to fraction form
    971,779.80/1,458,325.80 = 545,314.80/x
  3. Step 3: Cross multiply
    971,779.80x = 1,458,325.80 × 545,314.80
  4. Step 4: Simplify right side
    971,779.80x = 795,246,641,961.84
  5. Step 5: Solve for x
    x = 795,246,641,961.84/971,779.80
  6. Step 6: Final answer
    x = 818,340.37

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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.