Home / 996,912.30-1,495,368.45-518,615.40

Finding the Fourth Proportional to 996,912.30, 1,495,368.45 and 518,615.40

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Solution

The fourth proportional to 996,912.30, 1,495,368.45 and 518,615.40 is: 777,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,912.30 : 1,495,368.45 = 518,615.40 : x
  2. Step 2: Convert to fraction form
    996,912.30/1,495,368.45 = 518,615.40/x
  3. Step 3: Cross multiply
    996,912.30x = 1,495,368.45 × 518,615.40
  4. Step 4: Simplify right side
    996,912.30x = 775,521,106,844.13
  5. Step 5: Solve for x
    x = 775,521,106,844.13/996,912.30
  6. Step 6: Final answer
    x = 777,923.10

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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.