Home / 1,076,909.60-1,615,364.40-328,858.40

Finding the Fourth Proportional to 1,076,909.60, 1,615,364.40 and 328,858.40

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Solution

The fourth proportional to 1,076,909.60, 1,615,364.40 and 328,858.40 is: 493,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,909.60 : 1,615,364.40 = 328,858.40 : x
  2. Step 2: Convert to fraction form
    1,076,909.60/1,615,364.40 = 328,858.40/x
  3. Step 3: Cross multiply
    1,076,909.60x = 1,615,364.40 × 328,858.40
  4. Step 4: Simplify right side
    1,076,909.60x = 531,226,152,000.96
  5. Step 5: Solve for x
    x = 531,226,152,000.96/1,076,909.60
  6. Step 6: Final answer
    x = 493,287.60

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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.