Home / 513,386.44-708,188.88-298,502.74

Finding the Fourth Proportional to 513,386.44, 708,188.88 and 298,502.74

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Solution

The fourth proportional to 513,386.44, 708,188.88 and 298,502.74 is: 411,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,386.44 : 708,188.88 = 298,502.74 : x
  2. Step 2: Convert to fraction form
    513,386.44/708,188.88 = 298,502.74/x
  3. Step 3: Cross multiply
    513,386.44x = 708,188.88 × 298,502.74
  4. Step 4: Simplify right side
    513,386.44x = 211,396,321,117.53
  5. Step 5: Solve for x
    x = 211,396,321,117.53/513,386.44
  6. Step 6: Final answer
    x = 411,768.42

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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.