Home / 722,784.06-997,415.10-416,872.98

Finding the Fourth Proportional to 722,784.06, 997,415.10 and 416,872.98

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Solution

The fourth proportional to 722,784.06, 997,415.10 and 416,872.98 is: 575,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,784.06 : 997,415.10 = 416,872.98 : x
  2. Step 2: Convert to fraction form
    722,784.06/997,415.10 = 416,872.98/x
  3. Step 3: Cross multiply
    722,784.06x = 997,415.10 × 416,872.98
  4. Step 4: Simplify right side
    722,784.06x = 415,795,405,034.00
  5. Step 5: Solve for x
    x = 415,795,405,034.00/722,784.06
  6. Step 6: Final answer
    x = 575,269.20

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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.