Home / 710,010.40-1,065,015.60-378,234.40

Finding the Fourth Proportional to 710,010.40, 1,065,015.60 and 378,234.40

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Solution

The fourth proportional to 710,010.40, 1,065,015.60 and 378,234.40 is: 567,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,010.40 : 1,065,015.60 = 378,234.40 : x
  2. Step 2: Convert to fraction form
    710,010.40/1,065,015.60 = 378,234.40/x
  3. Step 3: Cross multiply
    710,010.40x = 1,065,015.60 × 378,234.40
  4. Step 4: Simplify right side
    710,010.40x = 402,825,536,456.64
  5. Step 5: Solve for x
    x = 402,825,536,456.64/710,010.40
  6. Step 6: Final answer
    x = 567,351.60

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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.