Home / 984,488.96-1,358,595.36-531,780

Finding the Fourth Proportional to 984,488.96, 1,358,595.36 and 531,780

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Solution

The fourth proportional to 984,488.96, 1,358,595.36 and 531,780 is: 733,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,488.96 : 1,358,595.36 = 531,780 : x
  2. Step 2: Convert to fraction form
    984,488.96/1,358,595.36 = 531,780/x
  3. Step 3: Cross multiply
    984,488.96x = 1,358,595.36 × 531,780
  4. Step 4: Simplify right side
    984,488.96x = 722,473,840,540.80
  5. Step 5: Solve for x
    x = 722,473,840,540.80/984,488.96
  6. Step 6: Final answer
    x = 733,856.72

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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.