Home / 788,499.60-1,182,749.40-611,552.40

Finding the Fourth Proportional to 788,499.60, 1,182,749.40 and 611,552.40

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Solution

The fourth proportional to 788,499.60, 1,182,749.40 and 611,552.40 is: 917,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,499.60 : 1,182,749.40 = 611,552.40 : x
  2. Step 2: Convert to fraction form
    788,499.60/1,182,749.40 = 611,552.40/x
  3. Step 3: Cross multiply
    788,499.60x = 1,182,749.40 × 611,552.40
  4. Step 4: Simplify right side
    788,499.60x = 723,313,234,168.56
  5. Step 5: Solve for x
    x = 723,313,234,168.56/788,499.60
  6. Step 6: Final answer
    x = 917,328.60

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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.