Home / 872,293.32-1,308,107.88-572,693.76

Finding the Fourth Proportional to 872,293.32, 1,308,107.88 and 572,693.76

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Solution

The fourth proportional to 872,293.32, 1,308,107.88 and 572,693.76 is: 858,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293.32 : 1,308,107.88 = 572,693.76 : x
  2. Step 2: Convert to fraction form
    872,293.32/1,308,107.88 = 572,693.76/x
  3. Step 3: Cross multiply
    872,293.32x = 1,308,107.88 × 572,693.76
  4. Step 4: Simplify right side
    872,293.32x = 749,145,220,282.83
  5. Step 5: Solve for x
    x = 749,145,220,282.83/872,293.32
  6. Step 6: Final answer
    x = 858,822.60

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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.