Home / 920,953.92-1,270,579.32-558,116.04

Finding the Fourth Proportional to 920,953.92, 1,270,579.32 and 558,116.04

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Solution

The fourth proportional to 920,953.92, 1,270,579.32 and 558,116.04 is: 769,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,953.92 : 1,270,579.32 = 558,116.04 : x
  2. Step 2: Convert to fraction form
    920,953.92/1,270,579.32 = 558,116.04/x
  3. Step 3: Cross multiply
    920,953.92x = 1,270,579.32 × 558,116.04
  4. Step 4: Simplify right side
    920,953.92x = 709,130,698,584.29
  5. Step 5: Solve for x
    x = 709,130,698,584.29/920,953.92
  6. Step 6: Final answer
    x = 769,995.85

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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.