Home / 920,730.56-1,270,672.06-558,169.70

Finding the Fourth Proportional to 920,730.56, 1,270,672.06 and 558,169.70

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Solution

The fourth proportional to 920,730.56, 1,270,672.06 and 558,169.70 is: 770,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,730.56 : 1,270,672.06 = 558,169.70 : x
  2. Step 2: Convert to fraction form
    920,730.56/1,270,672.06 = 558,169.70/x
  3. Step 3: Cross multiply
    920,730.56x = 1,270,672.06 × 558,169.70
  4. Step 4: Simplify right side
    920,730.56x = 709,250,642,973.90
  5. Step 5: Solve for x
    x = 709,250,642,973.90/920,730.56
  6. Step 6: Final answer
    x = 770,312.92

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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.