Home / 713,022.80-1,069,669.07-286,591.82

Finding the Fourth Proportional to 713,022.80, 1,069,669.07 and 286,591.82

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Solution

The fourth proportional to 713,022.80, 1,069,669.07 and 286,591.82 is: 429,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,022.80 : 1,069,669.07 = 286,591.82 : x
  2. Step 2: Convert to fraction form
    713,022.80/1,069,669.07 = 286,591.82/x
  3. Step 3: Cross multiply
    713,022.80x = 1,069,669.07 × 286,591.82
  4. Step 4: Simplify right side
    713,022.80x = 306,558,405,569.01
  5. Step 5: Solve for x
    x = 306,558,405,569.01/713,022.80
  6. Step 6: Final answer
    x = 429,941.94

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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.