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Finding the Fourth Proportional to 472,681.89, 652,541.81 and 365,010.21

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Solution

The fourth proportional to 472,681.89, 652,541.81 and 365,010.21 is: 503,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,681.89 : 652,541.81 = 365,010.21 : x
  2. Step 2: Convert to fraction form
    472,681.89/652,541.81 = 365,010.21/x
  3. Step 3: Cross multiply
    472,681.89x = 652,541.81 × 365,010.21
  4. Step 4: Simplify right side
    472,681.89x = 238,184,423,101.88
  5. Step 5: Solve for x
    x = 238,184,423,101.88/472,681.89
  6. Step 6: Final answer
    x = 503,900.04

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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.