Home / 875,384.64-1,313,191.80-342,836.46

Finding the Fourth Proportional to 875,384.64, 1,313,191.80 and 342,836.46

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Solution

The fourth proportional to 875,384.64, 1,313,191.80 and 342,836.46 is: 514,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,384.64 : 1,313,191.80 = 342,836.46 : x
  2. Step 2: Convert to fraction form
    875,384.64/1,313,191.80 = 342,836.46/x
  3. Step 3: Cross multiply
    875,384.64x = 1,313,191.80 × 342,836.46
  4. Step 4: Simplify right side
    875,384.64x = 450,210,028,013.03
  5. Step 5: Solve for x
    x = 450,210,028,013.03/875,384.64
  6. Step 6: Final answer
    x = 514,299.67

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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.