Home / 913,509.53-1,260,627.84-505,602.71

Finding the Fourth Proportional to 913,509.53, 1,260,627.84 and 505,602.71

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Solution

The fourth proportional to 913,509.53, 1,260,627.84 and 505,602.71 is: 697,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,509.53 : 1,260,627.84 = 505,602.71 : x
  2. Step 2: Convert to fraction form
    913,509.53/1,260,627.84 = 505,602.71/x
  3. Step 3: Cross multiply
    913,509.53x = 1,260,627.84 × 505,602.71
  4. Step 4: Simplify right side
    913,509.53x = 637,376,850,629.66
  5. Step 5: Solve for x
    x = 637,376,850,629.66/913,509.53
  6. Step 6: Final answer
    x = 697,723.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.