Home / 700,187.05-1,050,335.79-345,007.45

Finding the Fourth Proportional to 700,187.05, 1,050,335.79 and 345,007.45

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Solution

The fourth proportional to 700,187.05, 1,050,335.79 and 345,007.45 is: 517,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,187.05 : 1,050,335.79 = 345,007.45 : x
  2. Step 2: Convert to fraction form
    700,187.05/1,050,335.79 = 345,007.45/x
  3. Step 3: Cross multiply
    700,187.05x = 1,050,335.79 × 345,007.45
  4. Step 4: Simplify right side
    700,187.05x = 362,373,672,551.64
  5. Step 5: Solve for x
    x = 362,373,672,551.64/700,187.05
  6. Step 6: Final answer
    x = 517,538.38

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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.