Home / 592,845.41-818,128.65-320,913.23

Finding the Fourth Proportional to 592,845.41, 818,128.65 and 320,913.23

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Solution

The fourth proportional to 592,845.41, 818,128.65 and 320,913.23 is: 442,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,845.41 : 818,128.65 = 320,913.23 : x
  2. Step 2: Convert to fraction form
    592,845.41/818,128.65 = 320,913.23/x
  3. Step 3: Cross multiply
    592,845.41x = 818,128.65 × 320,913.23
  4. Step 4: Simplify right side
    592,845.41x = 262,548,304,739.82
  5. Step 5: Solve for x
    x = 262,548,304,739.82/592,845.41
  6. Step 6: Final answer
    x = 442,861.32

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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.