Home / 872,002.60-1,203,692.40-509,544.27

Finding the Fourth Proportional to 872,002.60, 1,203,692.40 and 509,544.27

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Solution

The fourth proportional to 872,002.60, 1,203,692.40 and 509,544.27 is: 703,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,002.60 : 1,203,692.40 = 509,544.27 : x
  2. Step 2: Convert to fraction form
    872,002.60/1,203,692.40 = 509,544.27/x
  3. Step 3: Cross multiply
    872,002.60x = 1,203,692.40 × 509,544.27
  4. Step 4: Simplify right side
    872,002.60x = 613,334,565,262.55
  5. Step 5: Solve for x
    x = 613,334,565,262.55/872,002.60
  6. Step 6: Final answer
    x = 703,363.23

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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.