Home / 762,039.87-1,142,914.05-382,855.53

Finding the Fourth Proportional to 762,039.87, 1,142,914.05 and 382,855.53

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Solution

The fourth proportional to 762,039.87, 1,142,914.05 and 382,855.53 is: 574,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,039.87 : 1,142,914.05 = 382,855.53 : x
  2. Step 2: Convert to fraction form
    762,039.87/1,142,914.05 = 382,855.53/x
  3. Step 3: Cross multiply
    762,039.87x = 1,142,914.05 × 382,855.53
  4. Step 4: Simplify right side
    762,039.87x = 437,570,964,357.20
  5. Step 5: Solve for x
    x = 437,570,964,357.20/762,039.87
  6. Step 6: Final answer
    x = 574,210.07

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1.5x scale

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.