Home / 855,437.76-1,282,573.44-433,900.80

Finding the Fourth Proportional to 855,437.76, 1,282,573.44 and 433,900.80

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Solution

The fourth proportional to 855,437.76, 1,282,573.44 and 433,900.80 is: 650,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,437.76 : 1,282,573.44 = 433,900.80 : x
  2. Step 2: Convert to fraction form
    855,437.76/1,282,573.44 = 433,900.80/x
  3. Step 3: Cross multiply
    855,437.76x = 1,282,573.44 × 433,900.80
  4. Step 4: Simplify right side
    855,437.76x = 556,509,641,674.75
  5. Step 5: Solve for x
    x = 556,509,641,674.75/855,437.76
  6. Step 6: Final answer
    x = 650,555.39

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Double scale
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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.