Home / 988,282.80-1,363,976.52-625,740.36

Finding the Fourth Proportional to 988,282.80, 1,363,976.52 and 625,740.36

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Solution

The fourth proportional to 988,282.80, 1,363,976.52 and 625,740.36 is: 863,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,282.80 : 1,363,976.52 = 625,740.36 : x
  2. Step 2: Convert to fraction form
    988,282.80/1,363,976.52 = 625,740.36/x
  3. Step 3: Cross multiply
    988,282.80x = 1,363,976.52 × 625,740.36
  4. Step 4: Simplify right side
    988,282.80x = 853,495,158,656.35
  5. Step 5: Solve for x
    x = 853,495,158,656.35/988,282.80
  6. Step 6: Final answer
    x = 863,614.30

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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.