Home / 909,321.87-1,363,982.58-310,282.98

Finding the Fourth Proportional to 909,321.87, 1,363,982.58 and 310,282.98

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Solution

The fourth proportional to 909,321.87, 1,363,982.58 and 310,282.98 is: 465,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,321.87 : 1,363,982.58 = 310,282.98 : x
  2. Step 2: Convert to fraction form
    909,321.87/1,363,982.58 = 310,282.98/x
  3. Step 3: Cross multiply
    909,321.87x = 1,363,982.58 × 310,282.98
  4. Step 4: Simplify right side
    909,321.87x = 423,220,579,590.49
  5. Step 5: Solve for x
    x = 423,220,579,590.49/909,321.87
  6. Step 6: Final answer
    x = 465,424.39

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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.