Home / 528,297.80-791,047.02-278,454.92

Finding the Fourth Proportional to 528,297.80, 791,047.02 and 278,454.92

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Solution

The fourth proportional to 528,297.80, 791,047.02 and 278,454.92 is: 416,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,297.80 : 791,047.02 = 278,454.92 : x
  2. Step 2: Convert to fraction form
    528,297.80/791,047.02 = 278,454.92/x
  3. Step 3: Cross multiply
    528,297.80x = 791,047.02 × 278,454.92
  4. Step 4: Simplify right side
    528,297.80x = 220,270,934,670.34
  5. Step 5: Solve for x
    x = 220,270,934,670.34/528,297.80
  6. Step 6: Final answer
    x = 416,944.64

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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.