Home / 872,509.02-1,308,779.91-273,456.90

Finding the Fourth Proportional to 872,509.02, 1,308,779.91 and 273,456.90

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Solution

The fourth proportional to 872,509.02, 1,308,779.91 and 273,456.90 is: 410,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,509.02 : 1,308,779.91 = 273,456.90 : x
  2. Step 2: Convert to fraction form
    872,509.02/1,308,779.91 = 273,456.90/x
  3. Step 3: Cross multiply
    872,509.02x = 1,308,779.91 × 273,456.90
  4. Step 4: Simplify right side
    872,509.02x = 357,894,896,970.88
  5. Step 5: Solve for x
    x = 357,894,896,970.88/872,509.02
  6. Step 6: Final answer
    x = 410,190.48

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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.