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Finding the Fourth Proportional to 433,807, 598,568.56 and 272,568.64

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Solution

The fourth proportional to 433,807, 598,568.56 and 272,568.64 is: 376,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,807 : 598,568.56 = 272,568.64 : x
  2. Step 2: Convert to fraction form
    433,807/598,568.56 = 272,568.64/x
  3. Step 3: Cross multiply
    433,807x = 598,568.56 × 272,568.64
  4. Step 4: Simplify right side
    433,807x = 163,151,018,345.96
  5. Step 5: Solve for x
    x = 163,151,018,345.96/433,807
  6. Step 6: Final answer
    x = 376,091.25

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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.