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Finding the Fourth Proportional to 531,802.26, 733,889.34 and 290,089.98

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Solution

The fourth proportional to 531,802.26, 733,889.34 and 290,089.98 is: 400,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,802.26 : 733,889.34 = 290,089.98 : x
  2. Step 2: Convert to fraction form
    531,802.26/733,889.34 = 290,089.98/x
  3. Step 3: Cross multiply
    531,802.26x = 733,889.34 × 290,089.98
  4. Step 4: Simplify right side
    531,802.26x = 212,893,943,962.81
  5. Step 5: Solve for x
    x = 212,893,943,962.81/531,802.26
  6. Step 6: Final answer
    x = 400,325.38

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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.