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Finding the Fourth Proportional to 635,715.02, 877,277.03 and 345,325.16

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Solution

The fourth proportional to 635,715.02, 877,277.03 and 345,325.16 is: 476,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,715.02 : 877,277.03 = 345,325.16 : x
  2. Step 2: Convert to fraction form
    635,715.02/877,277.03 = 345,325.16/x
  3. Step 3: Cross multiply
    635,715.02x = 877,277.03 × 345,325.16
  4. Step 4: Simplify right side
    635,715.02x = 302,945,824,636.06
  5. Step 5: Solve for x
    x = 302,945,824,636.06/635,715.02
  6. Step 6: Final answer
    x = 476,543.45

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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.