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Finding the Fourth Proportional to 514,448.69, 771,509.58 and 480,865.26

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Solution

The fourth proportional to 514,448.69, 771,509.58 and 480,865.26 is: 721,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,448.69 : 771,509.58 = 480,865.26 : x
  2. Step 2: Convert to fraction form
    514,448.69/771,509.58 = 480,865.26/x
  3. Step 3: Cross multiply
    514,448.69x = 771,509.58 × 480,865.26
  4. Step 4: Simplify right side
    514,448.69x = 370,992,155,586.67
  5. Step 5: Solve for x
    x = 370,992,155,586.67/514,448.69
  6. Step 6: Final answer
    x = 721,145.10

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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.