Home / 592,851.40-818,136.92-320,919.24

Finding the Fourth Proportional to 592,851.40, 818,136.92 and 320,919.24

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Solution

The fourth proportional to 592,851.40, 818,136.92 and 320,919.24 is: 442,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,851.40 : 818,136.92 = 320,919.24 : x
  2. Step 2: Convert to fraction form
    592,851.40/818,136.92 = 320,919.24/x
  3. Step 3: Cross multiply
    592,851.40x = 818,136.92 × 320,919.24
  4. Step 4: Simplify right side
    592,851.40x = 262,555,878,582.34
  5. Step 5: Solve for x
    x = 262,555,878,582.34/592,851.40
  6. Step 6: Final answer
    x = 442,869.63

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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.