Home / 480,421.03-720,661.25-160,601.69

Finding the Fourth Proportional to 480,421.03, 720,661.25 and 160,601.69

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Solution

The fourth proportional to 480,421.03, 720,661.25 and 160,601.69 is: 240,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,421.03 : 720,661.25 = 160,601.69 : x
  2. Step 2: Convert to fraction form
    480,421.03/720,661.25 = 160,601.69/x
  3. Step 3: Cross multiply
    480,421.03x = 720,661.25 × 160,601.69
  4. Step 4: Simplify right side
    480,421.03x = 115,739,411,465.71
  5. Step 5: Solve for x
    x = 115,739,411,465.71/480,421.03
  6. Step 6: Final answer
    x = 240,912.46

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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.