Home / 509,153.54-702,473.37-294,215.18

Finding the Fourth Proportional to 509,153.54, 702,473.37 and 294,215.18

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Solution

The fourth proportional to 509,153.54, 702,473.37 and 294,215.18 is: 405,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,153.54 : 702,473.37 = 294,215.18 : x
  2. Step 2: Convert to fraction form
    509,153.54/702,473.37 = 294,215.18/x
  3. Step 3: Cross multiply
    509,153.54x = 702,473.37 × 294,215.18
  4. Step 4: Simplify right side
    509,153.54x = 206,678,328,999.76
  5. Step 5: Solve for x
    x = 206,678,328,999.76/509,153.54
  6. Step 6: Final answer
    x = 405,925.35

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1.5x scale

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.