Home / 480,368.23-720,565.03-210,357.45

Finding the Fourth Proportional to 480,368.23, 720,565.03 and 210,357.45

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Solution

The fourth proportional to 480,368.23, 720,565.03 and 210,357.45 is: 315,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,368.23 : 720,565.03 = 210,357.45 : x
  2. Step 2: Convert to fraction form
    480,368.23/720,565.03 = 210,357.45/x
  3. Step 3: Cross multiply
    480,368.23x = 720,565.03 × 210,357.45
  4. Step 4: Simplify right side
    480,368.23x = 151,576,221,471.62
  5. Step 5: Solve for x
    x = 151,576,221,471.62/480,368.23
  6. Step 6: Final answer
    x = 315,541.73

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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.