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Finding the Fourth Proportional to 575,477.40, 863,464.86 and 308,926.64

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Solution

The fourth proportional to 575,477.40, 863,464.86 and 308,926.64 is: 463,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,477.40 : 863,464.86 = 308,926.64 : x
  2. Step 2: Convert to fraction form
    575,477.40/863,464.86 = 308,926.64/x
  3. Step 3: Cross multiply
    575,477.40x = 863,464.86 × 308,926.64
  4. Step 4: Simplify right side
    575,477.40x = 266,747,297,957.87
  5. Step 5: Solve for x
    x = 266,747,297,957.87/575,477.40
  6. Step 6: Final answer
    x = 463,523.50

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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.