Home / 702,692.80-1,054,730.40-348,107.20

Finding the Fourth Proportional to 702,692.80, 1,054,730.40 and 348,107.20

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Solution

The fourth proportional to 702,692.80, 1,054,730.40 and 348,107.20 is: 522,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,692.80 : 1,054,730.40 = 348,107.20 : x
  2. Step 2: Convert to fraction form
    702,692.80/1,054,730.40 = 348,107.20/x
  3. Step 3: Cross multiply
    702,692.80x = 1,054,730.40 × 348,107.20
  4. Step 4: Simplify right side
    702,692.80x = 367,159,246,298.88
  5. Step 5: Solve for x
    x = 367,159,246,298.88/702,692.80
  6. Step 6: Final answer
    x = 522,503.21

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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.