Home / 788,663.40-1,182,995.10-433,494.60

Finding the Fourth Proportional to 788,663.40, 1,182,995.10 and 433,494.60

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Solution

The fourth proportional to 788,663.40, 1,182,995.10 and 433,494.60 is: 650,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,663.40 : 1,182,995.10 = 433,494.60 : x
  2. Step 2: Convert to fraction form
    788,663.40/1,182,995.10 = 433,494.60/x
  3. Step 3: Cross multiply
    788,663.40x = 1,182,995.10 × 433,494.60
  4. Step 4: Simplify right side
    788,663.40x = 512,821,987,676.46
  5. Step 5: Solve for x
    x = 512,821,987,676.46/788,663.40
  6. Step 6: Final answer
    x = 650,241.90

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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.