Home / 711,417.01-1,067,127.32-290,692.89

Finding the Fourth Proportional to 711,417.01, 1,067,127.32 and 290,692.89

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Solution

The fourth proportional to 711,417.01, 1,067,127.32 and 290,692.89 is: 436,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,417.01 : 1,067,127.32 = 290,692.89 : x
  2. Step 2: Convert to fraction form
    711,417.01/1,067,127.32 = 290,692.89/x
  3. Step 3: Cross multiply
    711,417.01x = 1,067,127.32 × 290,692.89
  4. Step 4: Simplify right side
    711,417.01x = 310,206,324,648.76
  5. Step 5: Solve for x
    x = 310,206,324,648.76/711,417.01
  6. Step 6: Final answer
    x = 436,040.07

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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.