Home / 448,739.39-619,488.91-346,535.42

Finding the Fourth Proportional to 448,739.39, 619,488.91 and 346,535.42

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Solution

The fourth proportional to 448,739.39, 619,488.91 and 346,535.42 is: 478,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,739.39 : 619,488.91 = 346,535.42 : x
  2. Step 2: Convert to fraction form
    448,739.39/619,488.91 = 346,535.42/x
  3. Step 3: Cross multiply
    448,739.39x = 619,488.91 × 346,535.42
  4. Step 4: Simplify right side
    448,739.39x = 214,674,846,947.92
  5. Step 5: Solve for x
    x = 214,674,846,947.92/448,739.39
  6. Step 6: Final answer
    x = 478,395.37

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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.