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Finding the Fourth Proportional to 438,000.44, 604,398.57 and 266,012.52

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Solution

The fourth proportional to 438,000.44, 604,398.57 and 266,012.52 is: 367,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,000.44 : 604,398.57 = 266,012.52 : x
  2. Step 2: Convert to fraction form
    438,000.44/604,398.57 = 266,012.52/x
  3. Step 3: Cross multiply
    438,000.44x = 604,398.57 × 266,012.52
  4. Step 4: Simplify right side
    438,000.44x = 160,777,586,690.10
  5. Step 5: Solve for x
    x = 160,777,586,690.10/438,000.44
  6. Step 6: Final answer
    x = 367,071.75

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1.5x scale

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.