Home / 774,006.80-1,161,010.20-470,888.60

Finding the Fourth Proportional to 774,006.80, 1,161,010.20 and 470,888.60

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Solution

The fourth proportional to 774,006.80, 1,161,010.20 and 470,888.60 is: 706,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,006.80 : 1,161,010.20 = 470,888.60 : x
  2. Step 2: Convert to fraction form
    774,006.80/1,161,010.20 = 470,888.60/x
  3. Step 3: Cross multiply
    774,006.80x = 1,161,010.20 × 470,888.60
  4. Step 4: Simplify right side
    774,006.80x = 546,706,467,663.72
  5. Step 5: Solve for x
    x = 546,706,467,663.72/774,006.80
  6. Step 6: Final answer
    x = 706,332.90

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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.