Home / 872,104.56-1,203,011.88-549,259.92

Finding the Fourth Proportional to 872,104.56, 1,203,011.88 and 549,259.92

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Solution

The fourth proportional to 872,104.56, 1,203,011.88 and 549,259.92 is: 757,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,104.56 : 1,203,011.88 = 549,259.92 : x
  2. Step 2: Convert to fraction form
    872,104.56/1,203,011.88 = 549,259.92/x
  3. Step 3: Cross multiply
    872,104.56x = 1,203,011.88 × 549,259.92
  4. Step 4: Simplify right side
    872,104.56x = 660,766,208,967.85
  5. Step 5: Solve for x
    x = 660,766,208,967.85/872,104.56
  6. Step 6: Final answer
    x = 757,668.56

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1.5x scale

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.