Home / 768,342.50-1,151,916.86-497,899.34

Finding the Fourth Proportional to 768,342.50, 1,151,916.86 and 497,899.34

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Solution

The fourth proportional to 768,342.50, 1,151,916.86 and 497,899.34 is: 746,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,342.50 : 1,151,916.86 = 497,899.34 : x
  2. Step 2: Convert to fraction form
    768,342.50/1,151,916.86 = 497,899.34/x
  3. Step 3: Cross multiply
    768,342.50x = 1,151,916.86 × 497,899.34
  4. Step 4: Simplify right side
    768,342.50x = 573,538,644,328.87
  5. Step 5: Solve for x
    x = 573,538,644,328.87/768,342.50
  6. Step 6: Final answer
    x = 746,462.21

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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.