Home / 996,942.45-1,495,413.68-577,038.45

Finding the Fourth Proportional to 996,942.45, 1,495,413.68 and 577,038.45

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Solution

The fourth proportional to 996,942.45, 1,495,413.68 and 577,038.45 is: 865,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,942.45 : 1,495,413.68 = 577,038.45 : x
  2. Step 2: Convert to fraction form
    996,942.45/1,495,413.68 = 577,038.45/x
  3. Step 3: Cross multiply
    996,942.45x = 1,495,413.68 × 577,038.45
  4. Step 4: Simplify right side
    996,942.45x = 862,911,189,130.80
  5. Step 5: Solve for x
    x = 862,911,189,130.80/996,942.45
  6. Step 6: Final answer
    x = 865,557.68

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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.