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Finding the Fourth Proportional to 440,483.63, 607,815.83 and 259,155.68

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Solution

The fourth proportional to 440,483.63, 607,815.83 and 259,155.68 is: 357,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,483.63 : 607,815.83 = 259,155.68 : x
  2. Step 2: Convert to fraction form
    440,483.63/607,815.83 = 259,155.68/x
  3. Step 3: Cross multiply
    440,483.63x = 607,815.83 × 259,155.68
  4. Step 4: Simplify right side
    440,483.63x = 157,518,920,403.56
  5. Step 5: Solve for x
    x = 157,518,920,403.56/440,483.63
  6. Step 6: Final answer
    x = 357,604.49

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1.5x scale

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.