Home / 938,239.46-1,406,825.97-369,312.20

Finding the Fourth Proportional to 938,239.46, 1,406,825.97 and 369,312.20

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Solution

The fourth proportional to 938,239.46, 1,406,825.97 and 369,312.20 is: 553,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,239.46 : 1,406,825.97 = 369,312.20 : x
  2. Step 2: Convert to fraction form
    938,239.46/1,406,825.97 = 369,312.20/x
  3. Step 3: Cross multiply
    938,239.46x = 1,406,825.97 × 369,312.20
  4. Step 4: Simplify right side
    938,239.46x = 519,557,993,997.83
  5. Step 5: Solve for x
    x = 519,557,993,997.83/938,239.46
  6. Step 6: Final answer
    x = 553,758.41

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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.