Home / 938,045.86-1,406,227.83-338,866.18

Finding the Fourth Proportional to 938,045.86, 1,406,227.83 and 338,866.18

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Solution

The fourth proportional to 938,045.86, 1,406,227.83 and 338,866.18 is: 507,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,045.86 : 1,406,227.83 = 338,866.18 : x
  2. Step 2: Convert to fraction form
    938,045.86/1,406,227.83 = 338,866.18/x
  3. Step 3: Cross multiply
    938,045.86x = 1,406,227.83 × 338,866.18
  4. Step 4: Simplify right side
    938,045.86x = 476,523,052,961.79
  5. Step 5: Solve for x
    x = 476,523,052,961.79/938,045.86
  6. Step 6: Final answer
    x = 507,995.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.