Home / 971,734.07-1,340,984.12-536,155.43

Finding the Fourth Proportional to 971,734.07, 1,340,984.12 and 536,155.43

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Solution

The fourth proportional to 971,734.07, 1,340,984.12 and 536,155.43 is: 739,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,734.07 : 1,340,984.12 = 536,155.43 : x
  2. Step 2: Convert to fraction form
    971,734.07/1,340,984.12 = 536,155.43/x
  3. Step 3: Cross multiply
    971,734.07x = 1,340,984.12 × 536,155.43
  4. Step 4: Simplify right side
    971,734.07x = 718,975,908,096.07
  5. Step 5: Solve for x
    x = 718,975,908,096.07/971,734.07
  6. Step 6: Final answer
    x = 739,889.58

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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.