Home / 507,929.21-700,915.52-290,095.06

Finding the Fourth Proportional to 507,929.21, 700,915.52 and 290,095.06

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Solution

The fourth proportional to 507,929.21, 700,915.52 and 290,095.06 is: 400,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,929.21 : 700,915.52 = 290,095.06 : x
  2. Step 2: Convert to fraction form
    507,929.21/700,915.52 = 290,095.06/x
  3. Step 3: Cross multiply
    507,929.21x = 700,915.52 × 290,095.06
  4. Step 4: Simplify right side
    507,929.21x = 203,332,126,626.57
  5. Step 5: Solve for x
    x = 203,332,126,626.57/507,929.21
  6. Step 6: Final answer
    x = 400,315.87

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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.