Home / 722,850.74-997,539.88-400,566.22

Finding the Fourth Proportional to 722,850.74, 997,539.88 and 400,566.22

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Solution

The fourth proportional to 722,850.74, 997,539.88 and 400,566.22 is: 552,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,850.74 : 997,539.88 = 400,566.22 : x
  2. Step 2: Convert to fraction form
    722,850.74/997,539.88 = 400,566.22/x
  3. Step 3: Cross multiply
    722,850.74x = 997,539.88 × 400,566.22
  4. Step 4: Simplify right side
    722,850.74x = 399,580,779,030.85
  5. Step 5: Solve for x
    x = 399,580,779,030.85/722,850.74
  6. Step 6: Final answer
    x = 552,784.63

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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.