Home / 920,870.38-1,270,751.43-507,393.33

Finding the Fourth Proportional to 920,870.38, 1,270,751.43 and 507,393.33

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Solution

The fourth proportional to 920,870.38, 1,270,751.43 and 507,393.33 is: 700,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,870.38 : 1,270,751.43 = 507,393.33 : x
  2. Step 2: Convert to fraction form
    920,870.38/1,270,751.43 = 507,393.33/x
  3. Step 3: Cross multiply
    920,870.38x = 1,270,751.43 × 507,393.33
  4. Step 4: Simplify right side
    920,870.38x = 644,770,799,669.96
  5. Step 5: Solve for x
    x = 644,770,799,669.96/920,870.38
  6. Step 6: Final answer
    x = 700,175.41

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1.5x scale

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.