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Finding the Fourth Proportional to 472,892.72, 652,421.45 and 364,030.35

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Solution

The fourth proportional to 472,892.72, 652,421.45 and 364,030.35 is: 502,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,892.72 : 652,421.45 = 364,030.35 : x
  2. Step 2: Convert to fraction form
    472,892.72/652,421.45 = 364,030.35/x
  3. Step 3: Cross multiply
    472,892.72x = 652,421.45 × 364,030.35
  4. Step 4: Simplify right side
    472,892.72x = 237,501,210,924.37
  5. Step 5: Solve for x
    x = 237,501,210,924.37/472,892.72
  6. Step 6: Final answer
    x = 502,230.63

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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.