Home / 771,379.96-1,156,636.62-528,495.16

Finding the Fourth Proportional to 771,379.96, 1,156,636.62 and 528,495.16

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Solution

The fourth proportional to 771,379.96, 1,156,636.62 and 528,495.16 is: 792,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,379.96 : 1,156,636.62 = 528,495.16 : x
  2. Step 2: Convert to fraction form
    771,379.96/1,156,636.62 = 528,495.16/x
  3. Step 3: Cross multiply
    771,379.96x = 1,156,636.62 × 528,495.16
  4. Step 4: Simplify right side
    771,379.96x = 611,276,855,548.76
  5. Step 5: Solve for x
    x = 611,276,855,548.76/771,379.96
  6. Step 6: Final answer
    x = 792,445.86

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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.