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Finding the Fourth Proportional to 652,290.68, 978,312.36 and 203,017.16

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Solution

The fourth proportional to 652,290.68, 978,312.36 and 203,017.16 is: 304,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,290.68 : 978,312.36 = 203,017.16 : x
  2. Step 2: Convert to fraction form
    652,290.68/978,312.36 = 203,017.16/x
  3. Step 3: Cross multiply
    652,290.68x = 978,312.36 × 203,017.16
  4. Step 4: Simplify right side
    652,290.68x = 198,614,196,920.10
  5. Step 5: Solve for x
    x = 198,614,196,920.10/652,290.68
  6. Step 6: Final answer
    x = 304,487.25

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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.