Home / 1,050,230.80-1,575,346.20-385,296.40

Finding the Fourth Proportional to 1,050,230.80, 1,575,346.20 and 385,296.40

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Solution

The fourth proportional to 1,050,230.80, 1,575,346.20 and 385,296.40 is: 577,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,230.80 : 1,575,346.20 = 385,296.40 : x
  2. Step 2: Convert to fraction form
    1,050,230.80/1,575,346.20 = 385,296.40/x
  3. Step 3: Cross multiply
    1,050,230.80x = 1,575,346.20 × 385,296.40
  4. Step 4: Simplify right side
    1,050,230.80x = 606,975,219,613.68
  5. Step 5: Solve for x
    x = 606,975,219,613.68/1,050,230.80
  6. Step 6: Final answer
    x = 577,944.60

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Double scale
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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.