Home / 505,929.02-757,533.56-385,411.82

Finding the Fourth Proportional to 505,929.02, 757,533.56 and 385,411.82

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Solution

The fourth proportional to 505,929.02, 757,533.56 and 385,411.82 is: 577,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,929.02 : 757,533.56 = 385,411.82 : x
  2. Step 2: Convert to fraction form
    505,929.02/757,533.56 = 385,411.82/x
  3. Step 3: Cross multiply
    505,929.02x = 757,533.56 × 385,411.82
  4. Step 4: Simplify right side
    505,929.02x = 291,962,388,070.68
  5. Step 5: Solve for x
    x = 291,962,388,070.68/505,929.02
  6. Step 6: Final answer
    x = 577,081.72

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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.