Home / 486,822.80-730,234.20-353,075.60

Finding the Fourth Proportional to 486,822.80, 730,234.20 and 353,075.60

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Solution

The fourth proportional to 486,822.80, 730,234.20 and 353,075.60 is: 529,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,822.80 : 730,234.20 = 353,075.60 : x
  2. Step 2: Convert to fraction form
    486,822.80/730,234.20 = 353,075.60/x
  3. Step 3: Cross multiply
    486,822.80x = 730,234.20 × 353,075.60
  4. Step 4: Simplify right side
    486,822.80x = 257,827,878,305.52
  5. Step 5: Solve for x
    x = 257,827,878,305.52/486,822.80
  6. Step 6: Final answer
    x = 529,613.40

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Similar ratio
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1.5x scale

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.