Home / 1,076,895.20-1,615,328.40-328,944.80

Finding the Fourth Proportional to 1,076,895.20, 1,615,328.40 and 328,944.80

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Solution

The fourth proportional to 1,076,895.20, 1,615,328.40 and 328,944.80 is: 493,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,895.20 : 1,615,328.40 = 328,944.80 : x
  2. Step 2: Convert to fraction form
    1,076,895.20/1,615,328.40 = 328,944.80/x
  3. Step 3: Cross multiply
    1,076,895.20x = 1,615,328.40 × 328,944.80
  4. Step 4: Simplify right side
    1,076,895.20x = 531,353,877,472.32
  5. Step 5: Solve for x
    x = 531,353,877,472.32/1,076,895.20
  6. Step 6: Final answer
    x = 493,412.80

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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.