Home / 765,953.02-1,149,094.68-381,911.28

Finding the Fourth Proportional to 765,953.02, 1,149,094.68 and 381,911.28

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Solution

The fourth proportional to 765,953.02, 1,149,094.68 and 381,911.28 is: 572,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,953.02 : 1,149,094.68 = 381,911.28 : x
  2. Step 2: Convert to fraction form
    765,953.02/1,149,094.68 = 381,911.28/x
  3. Step 3: Cross multiply
    765,953.02x = 1,149,094.68 × 381,911.28
  4. Step 4: Simplify right side
    765,953.02x = 438,852,220,079.99
  5. Step 5: Solve for x
    x = 438,852,220,079.99/765,953.02
  6. Step 6: Final answer
    x = 572,949.27

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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.