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Finding the Fourth Proportional to 652,376.20, 978,045.90 and 356,888.20

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Solution

The fourth proportional to 652,376.20, 978,045.90 and 356,888.20 is: 535,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,376.20 : 978,045.90 = 356,888.20 : x
  2. Step 2: Convert to fraction form
    652,376.20/978,045.90 = 356,888.20/x
  3. Step 3: Cross multiply
    652,376.20x = 978,045.90 × 356,888.20
  4. Step 4: Simplify right side
    652,376.20x = 349,053,040,768.38
  5. Step 5: Solve for x
    x = 349,053,040,768.38/652,376.20
  6. Step 6: Final answer
    x = 535,048.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.