Home / 996,972.30-1,495,458.45-518,675.40

Finding the Fourth Proportional to 996,972.30, 1,495,458.45 and 518,675.40

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Solution

The fourth proportional to 996,972.30, 1,495,458.45 and 518,675.40 is: 778,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,972.30 : 1,495,458.45 = 518,675.40 : x
  2. Step 2: Convert to fraction form
    996,972.30/1,495,458.45 = 518,675.40/x
  3. Step 3: Cross multiply
    996,972.30x = 1,495,458.45 × 518,675.40
  4. Step 4: Simplify right side
    996,972.30x = 775,657,509,737.13
  5. Step 5: Solve for x
    x = 775,657,509,737.13/996,972.30
  6. Step 6: Final answer
    x = 778,013.10

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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.