Home / 719,305.47-1,079,160.53-314,533.26

Finding the Fourth Proportional to 719,305.47, 1,079,160.53 and 314,533.26

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Solution

The fourth proportional to 719,305.47, 1,079,160.53 and 314,533.26 is: 471,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,305.47 : 1,079,160.53 = 314,533.26 : x
  2. Step 2: Convert to fraction form
    719,305.47/1,079,160.53 = 314,533.26/x
  3. Step 3: Cross multiply
    719,305.47x = 1,079,160.53 × 314,533.26
  4. Step 4: Simplify right side
    719,305.47x = 339,431,877,991.56
  5. Step 5: Solve for x
    x = 339,431,877,991.56/719,305.47
  6. Step 6: Final answer
    x = 471,888.36

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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.