Home / 880,202.58-1,214,708.50-498,221.16

Finding the Fourth Proportional to 880,202.58, 1,214,708.50 and 498,221.16

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Solution

The fourth proportional to 880,202.58, 1,214,708.50 and 498,221.16 is: 687,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,202.58 : 1,214,708.50 = 498,221.16 : x
  2. Step 2: Convert to fraction form
    880,202.58/1,214,708.50 = 498,221.16/x
  3. Step 3: Cross multiply
    880,202.58x = 1,214,708.50 × 498,221.16
  4. Step 4: Simplify right side
    880,202.58x = 605,193,477,931.86
  5. Step 5: Solve for x
    x = 605,193,477,931.86/880,202.58
  6. Step 6: Final answer
    x = 687,561.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.