Home / 648,127.40-971,730.30-248,613.80

Finding the Fourth Proportional to 648,127.40, 971,730.30 and 248,613.80

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Solution

The fourth proportional to 648,127.40, 971,730.30 and 248,613.80 is: 372,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,127.40 : 971,730.30 = 248,613.80 : x
  2. Step 2: Convert to fraction form
    648,127.40/971,730.30 = 248,613.80/x
  3. Step 3: Cross multiply
    648,127.40x = 971,730.30 × 248,613.80
  4. Step 4: Simplify right side
    648,127.40x = 241,585,562,458.14
  5. Step 5: Solve for x
    x = 241,585,562,458.14/648,127.40
  6. Step 6: Final answer
    x = 372,743.94

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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.