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Finding the Fourth Proportional to 433,803.90, 598,672.28 and 272,599.32

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Solution

The fourth proportional to 433,803.90, 598,672.28 and 272,599.32 is: 376,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,803.90 : 598,672.28 = 272,599.32 : x
  2. Step 2: Convert to fraction form
    433,803.90/598,672.28 = 272,599.32/x
  3. Step 3: Cross multiply
    433,803.90x = 598,672.28 × 272,599.32
  4. Step 4: Simplify right side
    433,803.90x = 163,197,656,430.85
  5. Step 5: Solve for x
    x = 163,197,656,430.85/433,803.90
  6. Step 6: Final answer
    x = 376,201.45

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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.