Home / 648,303.86-971,239.16-248,673.36

Finding the Fourth Proportional to 648,303.86, 971,239.16 and 248,673.36

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Solution

The fourth proportional to 648,303.86, 971,239.16 and 248,673.36 is: 372,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,303.86 : 971,239.16 = 248,673.36 : x
  2. Step 2: Convert to fraction form
    648,303.86/971,239.16 = 248,673.36/x
  3. Step 3: Cross multiply
    648,303.86x = 971,239.16 × 248,673.36
  4. Step 4: Simplify right side
    648,303.86x = 241,521,305,280.78
  5. Step 5: Solve for x
    x = 241,521,305,280.78/648,303.86
  6. Step 6: Final answer
    x = 372,543.37

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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.