Home / 751,908.86-1,127,412.81-239,352.55

Finding the Fourth Proportional to 751,908.86, 1,127,412.81 and 239,352.55

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Solution

The fourth proportional to 751,908.86, 1,127,412.81 and 239,352.55 is: 358,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,908.86 : 1,127,412.81 = 239,352.55 : x
  2. Step 2: Convert to fraction form
    751,908.86/1,127,412.81 = 239,352.55/x
  3. Step 3: Cross multiply
    751,908.86x = 1,127,412.81 × 239,352.55
  4. Step 4: Simplify right side
    751,908.86x = 269,849,130,976.17
  5. Step 5: Solve for x
    x = 269,849,130,976.17/751,908.86
  6. Step 6: Final answer
    x = 358,885.43

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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.