Home / 909,128.88-1,363,396.59-301,754.16

Finding the Fourth Proportional to 909,128.88, 1,363,396.59 and 301,754.16

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Solution

The fourth proportional to 909,128.88, 1,363,396.59 and 301,754.16 is: 452,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,128.88 : 1,363,396.59 = 301,754.16 : x
  2. Step 2: Convert to fraction form
    909,128.88/1,363,396.59 = 301,754.16/x
  3. Step 3: Cross multiply
    909,128.88x = 1,363,396.59 × 301,754.16
  4. Step 4: Simplify right side
    909,128.88x = 411,410,592,762.31
  5. Step 5: Solve for x
    x = 411,410,592,762.31/909,128.88
  6. Step 6: Final answer
    x = 452,532.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.