Home / 510,566.09-704,575.26-281,118.60

Finding the Fourth Proportional to 510,566.09, 704,575.26 and 281,118.60

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Solution

The fourth proportional to 510,566.09, 704,575.26 and 281,118.60 is: 387,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,566.09 : 704,575.26 = 281,118.60 : x
  2. Step 2: Convert to fraction form
    510,566.09/704,575.26 = 281,118.60/x
  3. Step 3: Cross multiply
    510,566.09x = 704,575.26 × 281,118.60
  4. Step 4: Simplify right side
    510,566.09x = 198,069,210,685.84
  5. Step 5: Solve for x
    x = 198,069,210,685.84/510,566.09
  6. Step 6: Final answer
    x = 387,940.40

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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.