Home / 985,762.44-1,478,825.64-312,013.08

Finding the Fourth Proportional to 985,762.44, 1,478,825.64 and 312,013.08

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Solution

The fourth proportional to 985,762.44, 1,478,825.64 and 312,013.08 is: 468,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,762.44 : 1,478,825.64 = 312,013.08 : x
  2. Step 2: Convert to fraction form
    985,762.44/1,478,825.64 = 312,013.08/x
  3. Step 3: Cross multiply
    985,762.44x = 1,478,825.64 × 312,013.08
  4. Step 4: Simplify right side
    985,762.44x = 461,412,942,719.37
  5. Step 5: Solve for x
    x = 461,412,942,719.37/985,762.44
  6. Step 6: Final answer
    x = 468,077.22

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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.