Home / 996,530.40-1,494,795.60-286,516.80

Finding the Fourth Proportional to 996,530.40, 1,494,795.60 and 286,516.80

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Solution

The fourth proportional to 996,530.40, 1,494,795.60 and 286,516.80 is: 429,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,530.40 : 1,494,795.60 = 286,516.80 : x
  2. Step 2: Convert to fraction form
    996,530.40/1,494,795.60 = 286,516.80/x
  3. Step 3: Cross multiply
    996,530.40x = 1,494,795.60 × 286,516.80
  4. Step 4: Simplify right side
    996,530.40x = 428,284,051,966.08
  5. Step 5: Solve for x
    x = 428,284,051,966.08/996,530.40
  6. Step 6: Final answer
    x = 429,775.20

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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.