Home / 756,841.86-1,044,975.33-485,608.50

Finding the Fourth Proportional to 756,841.86, 1,044,975.33 and 485,608.50

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Solution

The fourth proportional to 756,841.86, 1,044,975.33 and 485,608.50 is: 670,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,841.86 : 1,044,975.33 = 485,608.50 : x
  2. Step 2: Convert to fraction form
    756,841.86/1,044,975.33 = 485,608.50/x
  3. Step 3: Cross multiply
    756,841.86x = 1,044,975.33 × 485,608.50
  4. Step 4: Simplify right side
    756,841.86x = 507,448,902,538.31
  5. Step 5: Solve for x
    x = 507,448,902,538.31/756,841.86
  6. Step 6: Final answer
    x = 670,482.08

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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.