Home / 819,866.92-1,131,417.88-457,314.24

Finding the Fourth Proportional to 819,866.92, 1,131,417.88 and 457,314.24

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Solution

The fourth proportional to 819,866.92, 1,131,417.88 and 457,314.24 is: 631,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,866.92 : 1,131,417.88 = 457,314.24 : x
  2. Step 2: Convert to fraction form
    819,866.92/1,131,417.88 = 457,314.24/x
  3. Step 3: Cross multiply
    819,866.92x = 1,131,417.88 × 457,314.24
  4. Step 4: Simplify right side
    819,866.92x = 517,413,507,914.61
  5. Step 5: Solve for x
    x = 517,413,507,914.61/819,866.92
  6. Step 6: Final answer
    x = 631,094.50

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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.