Home / 808,384.45-1,212,243.04-275,948.41

Finding the Fourth Proportional to 808,384.45, 1,212,243.04 and 275,948.41

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Solution

The fourth proportional to 808,384.45, 1,212,243.04 and 275,948.41 is: 413,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,384.45 : 1,212,243.04 = 275,948.41 : x
  2. Step 2: Convert to fraction form
    808,384.45/1,212,243.04 = 275,948.41/x
  3. Step 3: Cross multiply
    808,384.45x = 1,212,243.04 × 275,948.41
  4. Step 4: Simplify right side
    808,384.45x = 334,516,539,421.57
  5. Step 5: Solve for x
    x = 334,516,539,421.57/808,384.45
  6. Step 6: Final answer
    x = 413,808.73

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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.