Home / 818,355.88-1,227,823.26-286,023.88

Finding the Fourth Proportional to 818,355.88, 1,227,823.26 and 286,023.88

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Solution

The fourth proportional to 818,355.88, 1,227,823.26 and 286,023.88 is: 429,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,355.88 : 1,227,823.26 = 286,023.88 : x
  2. Step 2: Convert to fraction form
    818,355.88/1,227,823.26 = 286,023.88/x
  3. Step 3: Cross multiply
    818,355.88x = 1,227,823.26 × 286,023.88
  4. Step 4: Simplify right side
    818,355.88x = 351,186,772,779.45
  5. Step 5: Solve for x
    x = 351,186,772,779.45/818,355.88
  6. Step 6: Final answer
    x = 429,136.98

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1.5x scale

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.