Home / 1,009,111.86-1,392,556.50-550,230

Finding the Fourth Proportional to 1,009,111.86, 1,392,556.50 and 550,230

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Solution

The fourth proportional to 1,009,111.86, 1,392,556.50 and 550,230 is: 759,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,111.86 : 1,392,556.50 = 550,230 : x
  2. Step 2: Convert to fraction form
    1,009,111.86/1,392,556.50 = 550,230/x
  3. Step 3: Cross multiply
    1,009,111.86x = 1,392,556.50 × 550,230
  4. Step 4: Simplify right side
    1,009,111.86x = 766,226,362,995
  5. Step 5: Solve for x
    x = 766,226,362,995/1,009,111.86
  6. Step 6: Final answer
    x = 759,307.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.