Home / 938,200.47-1,407,300.75-377,103.75

Finding the Fourth Proportional to 938,200.47, 1,407,300.75 and 377,103.75

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Solution

The fourth proportional to 938,200.47, 1,407,300.75 and 377,103.75 is: 565,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,200.47 : 1,407,300.75 = 377,103.75 : x
  2. Step 2: Convert to fraction form
    938,200.47/1,407,300.75 = 377,103.75/x
  3. Step 3: Cross multiply
    938,200.47x = 1,407,300.75 × 377,103.75
  4. Step 4: Simplify right side
    938,200.47x = 530,698,390,202.81
  5. Step 5: Solve for x
    x = 530,698,390,202.81/938,200.47
  6. Step 6: Final answer
    x = 565,655.64

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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.