Home / 719,035.65-1,078,473.83-257,395.25

Finding the Fourth Proportional to 719,035.65, 1,078,473.83 and 257,395.25

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Solution

The fourth proportional to 719,035.65, 1,078,473.83 and 257,395.25 is: 386,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,035.65 : 1,078,473.83 = 257,395.25 : x
  2. Step 2: Convert to fraction form
    719,035.65/1,078,473.83 = 257,395.25/x
  3. Step 3: Cross multiply
    719,035.65x = 1,078,473.83 × 257,395.25
  4. Step 4: Simplify right side
    719,035.65x = 277,594,042,500.52
  5. Step 5: Solve for x
    x = 277,594,042,500.52/719,035.65
  6. Step 6: Final answer
    x = 386,064.37

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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.