Home / 519,928.13-717,377.83-302,007.35

Finding the Fourth Proportional to 519,928.13, 717,377.83 and 302,007.35

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Solution

The fourth proportional to 519,928.13, 717,377.83 and 302,007.35 is: 416,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,928.13 : 717,377.83 = 302,007.35 : x
  2. Step 2: Convert to fraction form
    519,928.13/717,377.83 = 302,007.35/x
  3. Step 3: Cross multiply
    519,928.13x = 717,377.83 × 302,007.35
  4. Step 4: Simplify right side
    519,928.13x = 216,653,373,045.14
  5. Step 5: Solve for x
    x = 216,653,373,045.14/519,928.13
  6. Step 6: Final answer
    x = 416,698.70

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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.