Home / 920,732.45-1,270,674.65-558,171.59

Finding the Fourth Proportional to 920,732.45, 1,270,674.65 and 558,171.59

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Solution

The fourth proportional to 920,732.45, 1,270,674.65 and 558,171.59 is: 770,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,732.45 : 1,270,674.65 = 558,171.59 : x
  2. Step 2: Convert to fraction form
    920,732.45/1,270,674.65 = 558,171.59/x
  3. Step 3: Cross multiply
    920,732.45x = 1,270,674.65 × 558,171.59
  4. Step 4: Simplify right side
    920,732.45x = 709,254,484,805.25
  5. Step 5: Solve for x
    x = 709,254,484,805.25/920,732.45
  6. Step 6: Final answer
    x = 770,315.51

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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.