Home / 464,834.28-641,444.35-260,866.15

Finding the Fourth Proportional to 464,834.28, 641,444.35 and 260,866.15

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Solution

The fourth proportional to 464,834.28, 641,444.35 and 260,866.15 is: 359,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,834.28 : 641,444.35 = 260,866.15 : x
  2. Step 2: Convert to fraction form
    464,834.28/641,444.35 = 260,866.15/x
  3. Step 3: Cross multiply
    464,834.28x = 641,444.35 × 260,866.15
  4. Step 4: Simplify right side
    464,834.28x = 167,331,118,023.75
  5. Step 5: Solve for x
    x = 167,331,118,023.75/464,834.28
  6. Step 6: Final answer
    x = 359,980.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.