Home / 647,582.10-971,081.55-292,413.30

Finding the Fourth Proportional to 647,582.10, 971,081.55 and 292,413.30

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Solution

The fourth proportional to 647,582.10, 971,081.55 and 292,413.30 is: 438,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,582.10 : 971,081.55 = 292,413.30 : x
  2. Step 2: Convert to fraction form
    647,582.10/971,081.55 = 292,413.30/x
  3. Step 3: Cross multiply
    647,582.10x = 971,081.55 × 292,413.30
  4. Step 4: Simplify right side
    647,582.10x = 283,957,160,604.62
  5. Step 5: Solve for x
    x = 283,957,160,604.62/647,582.10
  6. Step 6: Final answer
    x = 438,488.28

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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.