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Finding the Fourth Proportional to 531,521.04, 733,504.80 and 289,801.68

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Solution

The fourth proportional to 531,521.04, 733,504.80 and 289,801.68 is: 399,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,521.04 : 733,504.80 = 289,801.68 : x
  2. Step 2: Convert to fraction form
    531,521.04/733,504.80 = 289,801.68/x
  3. Step 3: Cross multiply
    531,521.04x = 733,504.80 × 289,801.68
  4. Step 4: Simplify right side
    531,521.04x = 212,570,923,328.06
  5. Step 5: Solve for x
    x = 212,570,923,328.06/531,521.04
  6. Step 6: Final answer
    x = 399,929.46

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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.