Home / 716,949.70-1,076,202.15-402,021.70

Finding the Fourth Proportional to 716,949.70, 1,076,202.15 and 402,021.70

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Solution

The fourth proportional to 716,949.70, 1,076,202.15 and 402,021.70 is: 603,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,949.70 : 1,076,202.15 = 402,021.70 : x
  2. Step 2: Convert to fraction form
    716,949.70/1,076,202.15 = 402,021.70/x
  3. Step 3: Cross multiply
    716,949.70x = 1,076,202.15 × 402,021.70
  4. Step 4: Simplify right side
    716,949.70x = 432,656,617,886.66
  5. Step 5: Solve for x
    x = 432,656,617,886.66/716,949.70
  6. Step 6: Final answer
    x = 603,468.58

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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.