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Finding the Fourth Proportional to 652,502.51, 978,437.33 and 382,718.80

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Solution

The fourth proportional to 652,502.51, 978,437.33 and 382,718.80 is: 573,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,502.51 : 978,437.33 = 382,718.80 : x
  2. Step 2: Convert to fraction form
    652,502.51/978,437.33 = 382,718.80/x
  3. Step 3: Cross multiply
    652,502.51x = 978,437.33 × 382,718.80
  4. Step 4: Simplify right side
    652,502.51x = 374,466,360,122.26
  5. Step 5: Solve for x
    x = 374,466,360,122.26/652,502.51
  6. Step 6: Final answer
    x = 573,892.60

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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.