Home / 749,200.80-1,123,898.40-370,315.20

Finding the Fourth Proportional to 749,200.80, 1,123,898.40 and 370,315.20

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Solution

The fourth proportional to 749,200.80, 1,123,898.40 and 370,315.20 is: 555,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,200.80 : 1,123,898.40 = 370,315.20 : x
  2. Step 2: Convert to fraction form
    749,200.80/1,123,898.40 = 370,315.20/x
  3. Step 3: Cross multiply
    749,200.80x = 1,123,898.40 × 370,315.20
  4. Step 4: Simplify right side
    749,200.80x = 416,196,660,775.68
  5. Step 5: Solve for x
    x = 416,196,660,775.68/749,200.80
  6. Step 6: Final answer
    x = 555,520.84

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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.