Home / 531,787.68-733,869.28-290,075.52

Finding the Fourth Proportional to 531,787.68, 733,869.28 and 290,075.52

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Solution

The fourth proportional to 531,787.68, 733,869.28 and 290,075.52 is: 400,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,787.68 : 733,869.28 = 290,075.52 : x
  2. Step 2: Convert to fraction form
    531,787.68/733,869.28 = 290,075.52/x
  3. Step 3: Cross multiply
    531,787.68x = 733,869.28 × 290,075.52
  4. Step 4: Simplify right side
    531,787.68x = 212,877,513,008.03
  5. Step 5: Solve for x
    x = 212,877,513,008.03/531,787.68
  6. Step 6: Final answer
    x = 400,305.46

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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.