Home / 1,076,494.80-1,614,742.20-328,539.60

Finding the Fourth Proportional to 1,076,494.80, 1,614,742.20 and 328,539.60

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Solution

The fourth proportional to 1,076,494.80, 1,614,742.20 and 328,539.60 is: 492,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,494.80 : 1,614,742.20 = 328,539.60 : x
  2. Step 2: Convert to fraction form
    1,076,494.80/1,614,742.20 = 328,539.60/x
  3. Step 3: Cross multiply
    1,076,494.80x = 1,614,742.20 × 328,539.60
  4. Step 4: Simplify right side
    1,076,494.80x = 530,506,756,491.12
  5. Step 5: Solve for x
    x = 530,506,756,491.12/1,076,494.80
  6. Step 6: Final answer
    x = 492,809.40

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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.