Home / 938,231.34-1,406,813.81-369,304.21

Finding the Fourth Proportional to 938,231.34, 1,406,813.81 and 369,304.21

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Solution

The fourth proportional to 938,231.34, 1,406,813.81 and 369,304.21 is: 553,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,231.34 : 1,406,813.81 = 369,304.21 : x
  2. Step 2: Convert to fraction form
    938,231.34/1,406,813.81 = 369,304.21/x
  3. Step 3: Cross multiply
    938,231.34x = 1,406,813.81 × 369,304.21
  4. Step 4: Simplify right side
    938,231.34x = 519,542,262,631.14
  5. Step 5: Solve for x
    x = 519,542,262,631.14/938,231.34
  6. Step 6: Final answer
    x = 553,746.44

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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.