Home / 787,094.60-1,181,516.70-432,800.60

Finding the Fourth Proportional to 787,094.60, 1,181,516.70 and 432,800.60

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Solution

The fourth proportional to 787,094.60, 1,181,516.70 and 432,800.60 is: 649,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,094.60 : 1,181,516.70 = 432,800.60 : x
  2. Step 2: Convert to fraction form
    787,094.60/1,181,516.70 = 432,800.60/x
  3. Step 3: Cross multiply
    787,094.60x = 1,181,516.70 × 432,800.60
  4. Step 4: Simplify right side
    787,094.60x = 511,361,136,670.02
  5. Step 5: Solve for x
    x = 511,361,136,670.02/787,094.60
  6. Step 6: Final answer
    x = 649,681.93

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Double scale
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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.