Home / 633,458.16-874,141.08-346,979.52

Finding the Fourth Proportional to 633,458.16, 874,141.08 and 346,979.52

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Solution

The fourth proportional to 633,458.16, 874,141.08 and 346,979.52 is: 478,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,458.16 : 874,141.08 = 346,979.52 : x
  2. Step 2: Convert to fraction form
    633,458.16/874,141.08 = 346,979.52/x
  3. Step 3: Cross multiply
    633,458.16x = 874,141.08 × 346,979.52
  4. Step 4: Simplify right side
    633,458.16x = 303,309,052,350.68
  5. Step 5: Solve for x
    x = 303,309,052,350.68/633,458.16
  6. Step 6: Final answer
    x = 478,814.66

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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.