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Finding the Fourth Proportional to 483,130.40, 723,313.20 and 483,130.40

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Solution

The fourth proportional to 483,130.40, 723,313.20 and 483,130.40 is: 723,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,130.40 : 723,313.20 = 483,130.40 : x
  2. Step 2: Convert to fraction form
    483,130.40/723,313.20 = 483,130.40/x
  3. Step 3: Cross multiply
    483,130.40x = 723,313.20 × 483,130.40
  4. Step 4: Simplify right side
    483,130.40x = 349,454,595,641.28
  5. Step 5: Solve for x
    x = 349,454,595,641.28/483,130.40
  6. Step 6: Final answer
    x = 723,313.20

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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.