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Finding the Fourth Proportional to 438,033, 604,485.26 and 247,045.95

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Solution

The fourth proportional to 438,033, 604,485.26 and 247,045.95 is: 340,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,033 : 604,485.26 = 247,045.95 : x
  2. Step 2: Convert to fraction form
    438,033/604,485.26 = 247,045.95/x
  3. Step 3: Cross multiply
    438,033x = 604,485.26 × 247,045.95
  4. Step 4: Simplify right side
    438,033x = 149,335,634,082.47
  5. Step 5: Solve for x
    x = 149,335,634,082.47/438,033
  6. Step 6: Final answer
    x = 340,923.25

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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.