Home / 971,620.62-1,340,828.96-536,056.32

Finding the Fourth Proportional to 971,620.62, 1,340,828.96 and 536,056.32

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Solution

The fourth proportional to 971,620.62, 1,340,828.96 and 536,056.32 is: 739,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,620.62 : 1,340,828.96 = 536,056.32 : x
  2. Step 2: Convert to fraction form
    971,620.62/1,340,828.96 = 536,056.32/x
  3. Step 3: Cross multiply
    971,620.62x = 1,340,828.96 × 536,056.32
  4. Step 4: Simplify right side
    971,620.62x = 718,759,838,047.03
  5. Step 5: Solve for x
    x = 718,759,838,047.03/971,620.62
  6. Step 6: Final answer
    x = 739,753.59

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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.