Home / 723,903.70-1,085,985.15-303,222.10

Finding the Fourth Proportional to 723,903.70, 1,085,985.15 and 303,222.10

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Solution

The fourth proportional to 723,903.70, 1,085,985.15 and 303,222.10 is: 454,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,903.70 : 1,085,985.15 = 303,222.10 : x
  2. Step 2: Convert to fraction form
    723,903.70/1,085,985.15 = 303,222.10/x
  3. Step 3: Cross multiply
    723,903.70x = 1,085,985.15 × 303,222.10
  4. Step 4: Simplify right side
    723,903.70x = 329,294,697,751.82
  5. Step 5: Solve for x
    x = 329,294,697,751.82/723,903.70
  6. Step 6: Final answer
    x = 454,887.44

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1.5x scale

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.