Home / 481,038.40-723,307.20-470,540.80

Finding the Fourth Proportional to 481,038.40, 723,307.20 and 470,540.80

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Solution

The fourth proportional to 481,038.40, 723,307.20 and 470,540.80 is: 707,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,038.40 : 723,307.20 = 470,540.80 : x
  2. Step 2: Convert to fraction form
    481,038.40/723,307.20 = 470,540.80/x
  3. Step 3: Cross multiply
    481,038.40x = 723,307.20 × 470,540.80
  4. Step 4: Simplify right side
    481,038.40x = 340,345,548,533.76
  5. Step 5: Solve for x
    x = 340,345,548,533.76/481,038.40
  6. Step 6: Final answer
    x = 707,522.62

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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.