Home / 854,529.80-1,281,400.02-314,650.49

Finding the Fourth Proportional to 854,529.80, 1,281,400.02 and 314,650.49

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Solution

The fourth proportional to 854,529.80, 1,281,400.02 and 314,650.49 is: 471,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,529.80 : 1,281,400.02 = 314,650.49 : x
  2. Step 2: Convert to fraction form
    854,529.80/1,281,400.02 = 314,650.49/x
  3. Step 3: Cross multiply
    854,529.80x = 1,281,400.02 × 314,650.49
  4. Step 4: Simplify right side
    854,529.80x = 403,193,137,772.01
  5. Step 5: Solve for x
    x = 403,193,137,772.01/854,529.80
  6. Step 6: Final answer
    x = 471,830.40

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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.