Home / 942,279.03-1,300,125.20-549,750.80

Finding the Fourth Proportional to 942,279.03, 1,300,125.20 and 549,750.80

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Solution

The fourth proportional to 942,279.03, 1,300,125.20 and 549,750.80 is: 758,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,279.03 : 1,300,125.20 = 549,750.80 : x
  2. Step 2: Convert to fraction form
    942,279.03/1,300,125.20 = 549,750.80/x
  3. Step 3: Cross multiply
    942,279.03x = 1,300,125.20 × 549,750.80
  4. Step 4: Simplify right side
    942,279.03x = 714,744,871,375.51
  5. Step 5: Solve for x
    x = 714,744,871,375.51/942,279.03
  6. Step 6: Final answer
    x = 758,527.83

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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.