Home / 971,735.07-1,340,985.50-536,156.43

Finding the Fourth Proportional to 971,735.07, 1,340,985.50 and 536,156.43

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Solution

The fourth proportional to 971,735.07, 1,340,985.50 and 536,156.43 is: 739,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,735.07 : 1,340,985.50 = 536,156.43 : x
  2. Step 2: Convert to fraction form
    971,735.07/1,340,985.50 = 536,156.43/x
  3. Step 3: Cross multiply
    971,735.07x = 1,340,985.50 × 536,156.43
  4. Step 4: Simplify right side
    971,735.07x = 718,977,988,976.06
  5. Step 5: Solve for x
    x = 718,977,988,976.06/971,735.07
  6. Step 6: Final answer
    x = 739,890.96

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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.