Home / 996,440.40-1,494,417.60-286,394.40

Finding the Fourth Proportional to 996,440.40, 1,494,417.60 and 286,394.40

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Solution

The fourth proportional to 996,440.40, 1,494,417.60 and 286,394.40 is: 429,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,440.40 : 1,494,417.60 = 286,394.40 : x
  2. Step 2: Convert to fraction form
    996,440.40/1,494,417.60 = 286,394.40/x
  3. Step 3: Cross multiply
    996,440.40x = 1,494,417.60 × 286,394.40
  4. Step 4: Simplify right side
    996,440.40x = 427,992,831,901.44
  5. Step 5: Solve for x
    x = 427,992,831,901.44/996,440.40
  6. Step 6: Final answer
    x = 429,521.76

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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.