Home / 724,900.54-1,087,355.04-245,131.77

Finding the Fourth Proportional to 724,900.54, 1,087,355.04 and 245,131.77

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Solution

The fourth proportional to 724,900.54, 1,087,355.04 and 245,131.77 is: 367,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,900.54 : 1,087,355.04 = 245,131.77 : x
  2. Step 2: Convert to fraction form
    724,900.54/1,087,355.04 = 245,131.77/x
  3. Step 3: Cross multiply
    724,900.54x = 1,087,355.04 × 245,131.77
  4. Step 4: Simplify right side
    724,900.54x = 266,545,271,047.73
  5. Step 5: Solve for x
    x = 266,545,271,047.73/724,900.54
  6. Step 6: Final answer
    x = 367,699.09

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1.5x scale

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.