Home / 920,873.06-1,270,863.24-558,331.64

Finding the Fourth Proportional to 920,873.06, 1,270,863.24 and 558,331.64

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Solution

The fourth proportional to 920,873.06, 1,270,863.24 and 558,331.64 is: 770,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,873.06 : 1,270,863.24 = 558,331.64 : x
  2. Step 2: Convert to fraction form
    920,873.06/1,270,863.24 = 558,331.64/x
  3. Step 3: Cross multiply
    920,873.06x = 1,270,863.24 × 558,331.64
  4. Step 4: Simplify right side
    920,873.06x = 709,563,157,004.91
  5. Step 5: Solve for x
    x = 709,563,157,004.91/920,873.06
  6. Step 6: Final answer
    x = 770,533.08

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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.