Home / 961,242.21-1,442,730.02-512,336.97

Finding the Fourth Proportional to 961,242.21, 1,442,730.02 and 512,336.97

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Solution

The fourth proportional to 961,242.21, 1,442,730.02 and 512,336.97 is: 768,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,242.21 : 1,442,730.02 = 512,336.97 : x
  2. Step 2: Convert to fraction form
    961,242.21/1,442,730.02 = 512,336.97/x
  3. Step 3: Cross multiply
    961,242.21x = 1,442,730.02 × 512,336.97
  4. Step 4: Simplify right side
    961,242.21x = 739,163,924,413.15
  5. Step 5: Solve for x
    x = 739,163,924,413.15/961,242.21
  6. Step 6: Final answer
    x = 768,967.40

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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.