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Finding the Fourth Proportional to 632,284.37, 872,692.54 and 436,325.88

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Solution

The fourth proportional to 632,284.37, 872,692.54 and 436,325.88 is: 602,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,284.37 : 872,692.54 = 436,325.88 : x
  2. Step 2: Convert to fraction form
    632,284.37/872,692.54 = 436,325.88/x
  3. Step 3: Cross multiply
    632,284.37x = 872,692.54 × 436,325.88
  4. Step 4: Simplify right side
    632,284.37x = 380,778,340,484.94
  5. Step 5: Solve for x
    x = 380,778,340,484.94/632,284.37
  6. Step 6: Final answer
    x = 602,226.41

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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.