Home / 722,531.42-997,050.69-395,779.44

Finding the Fourth Proportional to 722,531.42, 997,050.69 and 395,779.44

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Solution

The fourth proportional to 722,531.42, 997,050.69 and 395,779.44 is: 546,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,531.42 : 997,050.69 = 395,779.44 : x
  2. Step 2: Convert to fraction form
    722,531.42/997,050.69 = 395,779.44/x
  3. Step 3: Cross multiply
    722,531.42x = 997,050.69 × 395,779.44
  4. Step 4: Simplify right side
    722,531.42x = 394,612,163,739.81
  5. Step 5: Solve for x
    x = 394,612,163,739.81/722,531.42
  6. Step 6: Final answer
    x = 546,152.26

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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.