Home / 806,483.28-1,209,899.87-245,503.20

Finding the Fourth Proportional to 806,483.28, 1,209,899.87 and 245,503.20

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Solution

The fourth proportional to 806,483.28, 1,209,899.87 and 245,503.20 is: 368,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,483.28 : 1,209,899.87 = 245,503.20 : x
  2. Step 2: Convert to fraction form
    806,483.28/1,209,899.87 = 245,503.20/x
  3. Step 3: Cross multiply
    806,483.28x = 1,209,899.87 × 245,503.20
  4. Step 4: Simplify right side
    806,483.28x = 297,034,282,487.57
  5. Step 5: Solve for x
    x = 297,034,282,487.57/806,483.28
  6. Step 6: Final answer
    x = 368,308.05

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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.