Home / 680,543.02-1,020,967.08-207,265.42

Finding the Fourth Proportional to 680,543.02, 1,020,967.08 and 207,265.42

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Solution

The fourth proportional to 680,543.02, 1,020,967.08 and 207,265.42 is: 310,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,543.02 : 1,020,967.08 = 207,265.42 : x
  2. Step 2: Convert to fraction form
    680,543.02/1,020,967.08 = 207,265.42/x
  3. Step 3: Cross multiply
    680,543.02x = 1,020,967.08 × 207,265.42
  4. Step 4: Simplify right side
    680,543.02x = 211,611,170,642.37
  5. Step 5: Solve for x
    x = 211,611,170,642.37/680,543.02
  6. Step 6: Final answer
    x = 310,944.59

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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.