Home / 771,498.88-1,157,303.76-266,052.60

Finding the Fourth Proportional to 771,498.88, 1,157,303.76 and 266,052.60

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Solution

The fourth proportional to 771,498.88, 1,157,303.76 and 266,052.60 is: 399,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,498.88 : 1,157,303.76 = 266,052.60 : x
  2. Step 2: Convert to fraction form
    771,498.88/1,157,303.76 = 266,052.60/x
  3. Step 3: Cross multiply
    771,498.88x = 1,157,303.76 × 266,052.60
  4. Step 4: Simplify right side
    771,498.88x = 307,903,674,337.78
  5. Step 5: Solve for x
    x = 307,903,674,337.78/771,498.88
  6. Step 6: Final answer
    x = 399,098.02

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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.