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Finding the Fourth Proportional to 637,710, 880,079.73 and 351,230.01

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Solution

The fourth proportional to 637,710, 880,079.73 and 351,230.01 is: 484,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,710 : 880,079.73 = 351,230.01 : x
  2. Step 2: Convert to fraction form
    637,710/880,079.73 = 351,230.01/x
  3. Step 3: Cross multiply
    637,710x = 880,079.73 × 351,230.01
  4. Step 4: Simplify right side
    637,710x = 309,110,412,368.70
  5. Step 5: Solve for x
    x = 309,110,412,368.70/637,710
  6. Step 6: Final answer
    x = 484,719.41

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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.