Home / 480,369.23-720,566.53-210,358.45

Finding the Fourth Proportional to 480,369.23, 720,566.53 and 210,358.45

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Solution

The fourth proportional to 480,369.23, 720,566.53 and 210,358.45 is: 315,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,369.23 : 720,566.53 = 210,358.45 : x
  2. Step 2: Convert to fraction form
    480,369.23/720,566.53 = 210,358.45/x
  3. Step 3: Cross multiply
    480,369.23x = 720,566.53 × 210,358.45
  4. Step 4: Simplify right side
    480,369.23x = 151,577,258,372.68
  5. Step 5: Solve for x
    x = 151,577,258,372.68/480,369.23
  6. Step 6: Final answer
    x = 315,543.23

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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.