Home / 781,443.36-1,172,152.74-248,960.81

Finding the Fourth Proportional to 781,443.36, 1,172,152.74 and 248,960.81

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Solution

The fourth proportional to 781,443.36, 1,172,152.74 and 248,960.81 is: 373,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,443.36 : 1,172,152.74 = 248,960.81 : x
  2. Step 2: Convert to fraction form
    781,443.36/1,172,152.74 = 248,960.81/x
  3. Step 3: Cross multiply
    781,443.36x = 1,172,152.74 × 248,960.81
  4. Step 4: Simplify right side
    781,443.36x = 291,820,089,733.36
  5. Step 5: Solve for x
    x = 291,820,089,733.36/781,443.36
  6. Step 6: Final answer
    x = 373,437.29

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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.