Home / 513,141.10-708,154.41-340,761.05

Finding the Fourth Proportional to 513,141.10, 708,154.41 and 340,761.05

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Solution

The fourth proportional to 513,141.10, 708,154.41 and 340,761.05 is: 470,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,141.10 : 708,154.41 = 340,761.05 : x
  2. Step 2: Convert to fraction form
    513,141.10/708,154.41 = 340,761.05/x
  3. Step 3: Cross multiply
    513,141.10x = 708,154.41 × 340,761.05
  4. Step 4: Simplify right side
    513,141.10x = 241,311,440,313.73
  5. Step 5: Solve for x
    x = 241,311,440,313.73/513,141.10
  6. Step 6: Final answer
    x = 470,263.33

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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.