Home / 818,984.07-1,228,651.08-286,522.47

Finding the Fourth Proportional to 818,984.07, 1,228,651.08 and 286,522.47

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Solution

The fourth proportional to 818,984.07, 1,228,651.08 and 286,522.47 is: 429,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,984.07 : 1,228,651.08 = 286,522.47 : x
  2. Step 2: Convert to fraction form
    818,984.07/1,228,651.08 = 286,522.47/x
  3. Step 3: Cross multiply
    818,984.07x = 1,228,651.08 × 286,522.47
  4. Step 4: Simplify right side
    818,984.07x = 352,036,142,209.77
  5. Step 5: Solve for x
    x = 352,036,142,209.77/818,984.07
  6. Step 6: Final answer
    x = 429,844.92

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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.