Home / 513,555.65-708,884.93-352,942.37

Finding the Fourth Proportional to 513,555.65, 708,884.93 and 352,942.37

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Solution

The fourth proportional to 513,555.65, 708,884.93 and 352,942.37 is: 487,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,555.65 : 708,884.93 = 352,942.37 : x
  2. Step 2: Convert to fraction form
    513,555.65/708,884.93 = 352,942.37/x
  3. Step 3: Cross multiply
    513,555.65x = 708,884.93 × 352,942.37
  4. Step 4: Simplify right side
    513,555.65x = 250,195,525,486.77
  5. Step 5: Solve for x
    x = 250,195,525,486.77/513,555.65
  6. Step 6: Final answer
    x = 487,182.89

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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.