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Finding the Fourth Proportional to 602,123.32, 901,413.51 and 401,947.21

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Solution

The fourth proportional to 602,123.32, 901,413.51 and 401,947.21 is: 601,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,123.32 : 901,413.51 = 401,947.21 : x
  2. Step 2: Convert to fraction form
    602,123.32/901,413.51 = 401,947.21/x
  3. Step 3: Cross multiply
    602,123.32x = 901,413.51 × 401,947.21
  4. Step 4: Simplify right side
    602,123.32x = 362,320,647,281.23
  5. Step 5: Solve for x
    x = 362,320,647,281.23/602,123.32
  6. Step 6: Final answer
    x = 601,738.27

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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.