Home / 1,048,438.74-1,572,259.56-338,360.34

Finding the Fourth Proportional to 1,048,438.74, 1,572,259.56 and 338,360.34

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Solution

The fourth proportional to 1,048,438.74, 1,572,259.56 and 338,360.34 is: 507,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,438.74 : 1,572,259.56 = 338,360.34 : x
  2. Step 2: Convert to fraction form
    1,048,438.74/1,572,259.56 = 338,360.34/x
  3. Step 3: Cross multiply
    1,048,438.74x = 1,572,259.56 × 338,360.34
  4. Step 4: Simplify right side
    1,048,438.74x = 531,990,279,289.85
  5. Step 5: Solve for x
    x = 531,990,279,289.85/1,048,438.74
  6. Step 6: Final answer
    x = 507,411.89

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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.