Home / 949,382.40-1,424,597.76-388,809.60

Finding the Fourth Proportional to 949,382.40, 1,424,597.76 and 388,809.60

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Solution

The fourth proportional to 949,382.40, 1,424,597.76 and 388,809.60 is: 583,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,382.40 : 1,424,597.76 = 388,809.60 : x
  2. Step 2: Convert to fraction form
    949,382.40/1,424,597.76 = 388,809.60/x
  3. Step 3: Cross multiply
    949,382.40x = 1,424,597.76 × 388,809.60
  4. Step 4: Simplify right side
    949,382.40x = 553,897,285,226.50
  5. Step 5: Solve for x
    x = 553,897,285,226.50/949,382.40
  6. Step 6: Final answer
    x = 583,429.06

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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.