Home / 719,510.56-1,079,077.84-213,935.40

Finding the Fourth Proportional to 719,510.56, 1,079,077.84 and 213,935.40

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Solution

The fourth proportional to 719,510.56, 1,079,077.84 and 213,935.40 is: 320,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,510.56 : 1,079,077.84 = 213,935.40 : x
  2. Step 2: Convert to fraction form
    719,510.56/1,079,077.84 = 213,935.40/x
  3. Step 3: Cross multiply
    719,510.56x = 1,079,077.84 × 213,935.40
  4. Step 4: Simplify right side
    719,510.56x = 230,852,949,331.54
  5. Step 5: Solve for x
    x = 230,852,949,331.54/719,510.56
  6. Step 6: Final answer
    x = 320,847.20

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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.