Home / 807,492.08-1,211,271.60-302,002.40

Finding the Fourth Proportional to 807,492.08, 1,211,271.60 and 302,002.40

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Solution

The fourth proportional to 807,492.08, 1,211,271.60 and 302,002.40 is: 453,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,492.08 : 1,211,271.60 = 302,002.40 : x
  2. Step 2: Convert to fraction form
    807,492.08/1,211,271.60 = 302,002.40/x
  3. Step 3: Cross multiply
    807,492.08x = 1,211,271.60 × 302,002.40
  4. Step 4: Simplify right side
    807,492.08x = 365,806,930,251.84
  5. Step 5: Solve for x
    x = 365,806,930,251.84/807,492.08
  6. Step 6: Final answer
    x = 453,016.12

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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.