Home / 448,975.80-619,601.04-255,378.57

Finding the Fourth Proportional to 448,975.80, 619,601.04 and 255,378.57

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Solution

The fourth proportional to 448,975.80, 619,601.04 and 255,378.57 is: 352,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,975.80 : 619,601.04 = 255,378.57 : x
  2. Step 2: Convert to fraction form
    448,975.80/619,601.04 = 255,378.57/x
  3. Step 3: Cross multiply
    448,975.80x = 619,601.04 × 255,378.57
  4. Step 4: Simplify right side
    448,975.80x = 158,232,827,565.71
  5. Step 5: Solve for x
    x = 158,232,827,565.71/448,975.80
  6. Step 6: Final answer
    x = 352,430.64

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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.