Home / 807,931.67-1,211,928.15-302,439.44

Finding the Fourth Proportional to 807,931.67, 1,211,928.15 and 302,439.44

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Solution

The fourth proportional to 807,931.67, 1,211,928.15 and 302,439.44 is: 453,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,931.67 : 1,211,928.15 = 302,439.44 : x
  2. Step 2: Convert to fraction form
    807,931.67/1,211,928.15 = 302,439.44/x
  3. Step 3: Cross multiply
    807,931.67x = 1,211,928.15 × 302,439.44
  4. Step 4: Simplify right side
    807,931.67x = 366,534,871,006.24
  5. Step 5: Solve for x
    x = 366,534,871,006.24/807,931.67
  6. Step 6: Final answer
    x = 453,670.63

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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.