Home / 714,899.52-1,072,699.20-505,880.64

Finding the Fourth Proportional to 714,899.52, 1,072,699.20 and 505,880.64

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Solution

The fourth proportional to 714,899.52, 1,072,699.20 and 505,880.64 is: 759,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,899.52 : 1,072,699.20 = 505,880.64 : x
  2. Step 2: Convert to fraction form
    714,899.52/1,072,699.20 = 505,880.64/x
  3. Step 3: Cross multiply
    714,899.52x = 1,072,699.20 × 505,880.64
  4. Step 4: Simplify right side
    714,899.52x = 542,657,757,823.49
  5. Step 5: Solve for x
    x = 542,657,757,823.49/714,899.52
  6. Step 6: Final answer
    x = 759,068.57

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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.