Home / 762,154.60-1,051,697.55-439,968.49

Finding the Fourth Proportional to 762,154.60, 1,051,697.55 and 439,968.49

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Solution

The fourth proportional to 762,154.60, 1,051,697.55 and 439,968.49 is: 607,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,154.60 : 1,051,697.55 = 439,968.49 : x
  2. Step 2: Convert to fraction form
    762,154.60/1,051,697.55 = 439,968.49/x
  3. Step 3: Cross multiply
    762,154.60x = 1,051,697.55 × 439,968.49
  4. Step 4: Simplify right side
    762,154.60x = 462,713,783,010.20
  5. Step 5: Solve for x
    x = 462,713,783,010.20/762,154.60
  6. Step 6: Final answer
    x = 607,112.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.