Home / 920,867.06-1,270,854.96-558,325.64

Finding the Fourth Proportional to 920,867.06, 1,270,854.96 and 558,325.64

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Solution

The fourth proportional to 920,867.06, 1,270,854.96 and 558,325.64 is: 770,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,867.06 : 1,270,854.96 = 558,325.64 : x
  2. Step 2: Convert to fraction form
    920,867.06/1,270,854.96 = 558,325.64/x
  3. Step 3: Cross multiply
    920,867.06x = 1,270,854.96 × 558,325.64
  4. Step 4: Simplify right side
    920,867.06x = 709,550,908,889.18
  5. Step 5: Solve for x
    x = 709,550,908,889.18/920,867.06
  6. Step 6: Final answer
    x = 770,524.80

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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.