Home / 970,255.80-1,456,074.90-409,692.60

Finding the Fourth Proportional to 970,255.80, 1,456,074.90 and 409,692.60

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Solution

The fourth proportional to 970,255.80, 1,456,074.90 and 409,692.60 is: 614,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,255.80 : 1,456,074.90 = 409,692.60 : x
  2. Step 2: Convert to fraction form
    970,255.80/1,456,074.90 = 409,692.60/x
  3. Step 3: Cross multiply
    970,255.80x = 1,456,074.90 × 409,692.60
  4. Step 4: Simplify right side
    970,255.80x = 596,543,111,575.74
  5. Step 5: Solve for x
    x = 596,543,111,575.74/970,255.80
  6. Step 6: Final answer
    x = 614,830.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.