Home / 558,665.28-837,681.75-511,056.72

Finding the Fourth Proportional to 558,665.28, 837,681.75 and 511,056.72

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Solution

The fourth proportional to 558,665.28, 837,681.75 and 511,056.72 is: 766,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,665.28 : 837,681.75 = 511,056.72 : x
  2. Step 2: Convert to fraction form
    558,665.28/837,681.75 = 511,056.72/x
  3. Step 3: Cross multiply
    558,665.28x = 837,681.75 × 511,056.72
  4. Step 4: Simplify right side
    558,665.28x = 428,102,887,558.86
  5. Step 5: Solve for x
    x = 428,102,887,558.86/558,665.28
  6. Step 6: Final answer
    x = 766,295.85

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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.