Home / 691,837.60-1,037,756.40-376,909.60

Finding the Fourth Proportional to 691,837.60, 1,037,756.40 and 376,909.60

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Solution

The fourth proportional to 691,837.60, 1,037,756.40 and 376,909.60 is: 565,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,837.60 : 1,037,756.40 = 376,909.60 : x
  2. Step 2: Convert to fraction form
    691,837.60/1,037,756.40 = 376,909.60/x
  3. Step 3: Cross multiply
    691,837.60x = 1,037,756.40 × 376,909.60
  4. Step 4: Simplify right side
    691,837.60x = 391,140,349,621.44
  5. Step 5: Solve for x
    x = 391,140,349,621.44/691,837.60
  6. Step 6: Final answer
    x = 565,364.40

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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.