Home / 897,708.69-1,239,022.38-548,908.74

Finding the Fourth Proportional to 897,708.69, 1,239,022.38 and 548,908.74

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Solution

The fourth proportional to 897,708.69, 1,239,022.38 and 548,908.74 is: 757,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,708.69 : 1,239,022.38 = 548,908.74 : x
  2. Step 2: Convert to fraction form
    897,708.69/1,239,022.38 = 548,908.74/x
  3. Step 3: Cross multiply
    897,708.69x = 1,239,022.38 × 548,908.74
  4. Step 4: Simplify right side
    897,708.69x = 680,110,213,437.60
  5. Step 5: Solve for x
    x = 680,110,213,437.60/897,708.69
  6. Step 6: Final answer
    x = 757,606.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.