Home / 671,366.21-1,005,928.29-471,328.47

Finding the Fourth Proportional to 671,366.21, 1,005,928.29 and 471,328.47

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Solution

The fourth proportional to 671,366.21, 1,005,928.29 and 471,328.47 is: 706,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,366.21 : 1,005,928.29 = 471,328.47 : x
  2. Step 2: Convert to fraction form
    671,366.21/1,005,928.29 = 471,328.47/x
  3. Step 3: Cross multiply
    671,366.21x = 1,005,928.29 × 471,328.47
  4. Step 4: Simplify right side
    671,366.21x = 474,122,641,855.42
  5. Step 5: Solve for x
    x = 474,122,641,855.42/671,366.21
  6. Step 6: Final answer
    x = 706,205.70

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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.