Home / 718,619.47-1,075,687.10-529,293.61

Finding the Fourth Proportional to 718,619.47, 1,075,687.10 and 529,293.61

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Solution

The fourth proportional to 718,619.47, 1,075,687.10 and 529,293.61 is: 792,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,619.47 : 1,075,687.10 = 529,293.61 : x
  2. Step 2: Convert to fraction form
    718,619.47/1,075,687.10 = 529,293.61/x
  3. Step 3: Cross multiply
    718,619.47x = 1,075,687.10 × 529,293.61
  4. Step 4: Simplify right side
    718,619.47x = 569,354,308,389.43
  5. Step 5: Solve for x
    x = 569,354,308,389.43/718,619.47
  6. Step 6: Final answer
    x = 792,289.02

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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.