Home / 897,718.62-1,239,300.63-558,296.22

Finding the Fourth Proportional to 897,718.62, 1,239,300.63 and 558,296.22

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Solution

The fourth proportional to 897,718.62, 1,239,300.63 and 558,296.22 is: 770,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,718.62 : 1,239,300.63 = 558,296.22 : x
  2. Step 2: Convert to fraction form
    897,718.62/1,239,300.63 = 558,296.22/x
  3. Step 3: Cross multiply
    897,718.62x = 1,239,300.63 × 558,296.22
  4. Step 4: Simplify right side
    897,718.62x = 691,896,857,172.62
  5. Step 5: Solve for x
    x = 691,896,857,172.62/897,718.62
  6. Step 6: Final answer
    x = 770,727.98

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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.