Home / 877,149.32-1,210,469.75-474,741.32

Finding the Fourth Proportional to 877,149.32, 1,210,469.75 and 474,741.32

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Solution

The fourth proportional to 877,149.32, 1,210,469.75 and 474,741.32 is: 655,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,149.32 : 1,210,469.75 = 474,741.32 : x
  2. Step 2: Convert to fraction form
    877,149.32/1,210,469.75 = 474,741.32/x
  3. Step 3: Cross multiply
    877,149.32x = 1,210,469.75 × 474,741.32
  4. Step 4: Simplify right side
    877,149.32x = 574,659,998,509.02
  5. Step 5: Solve for x
    x = 574,659,998,509.02/877,149.32
  6. Step 6: Final answer
    x = 655,145.01

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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.