Home / 1,050,020.10-1,575,260.55-339,927.30

Finding the Fourth Proportional to 1,050,020.10, 1,575,260.55 and 339,927.30

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Solution

The fourth proportional to 1,050,020.10, 1,575,260.55 and 339,927.30 is: 509,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,020.10 : 1,575,260.55 = 339,927.30 : x
  2. Step 2: Convert to fraction form
    1,050,020.10/1,575,260.55 = 339,927.30/x
  3. Step 3: Cross multiply
    1,050,020.10x = 1,575,260.55 × 339,927.30
  4. Step 4: Simplify right side
    1,050,020.10x = 535,474,065,558.02
  5. Step 5: Solve for x
    x = 535,474,065,558.02/1,050,020.10
  6. Step 6: Final answer
    x = 509,965.54

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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.