Home / 748,968.15-1,123,499.51-316,604.98

Finding the Fourth Proportional to 748,968.15, 1,123,499.51 and 316,604.98

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Solution

The fourth proportional to 748,968.15, 1,123,499.51 and 316,604.98 is: 474,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,968.15 : 1,123,499.51 = 316,604.98 : x
  2. Step 2: Convert to fraction form
    748,968.15/1,123,499.51 = 316,604.98/x
  3. Step 3: Cross multiply
    748,968.15x = 1,123,499.51 × 316,604.98
  4. Step 4: Simplify right side
    748,968.15x = 355,705,539,893.56
  5. Step 5: Solve for x
    x = 355,705,539,893.56/748,968.15
  6. Step 6: Final answer
    x = 474,927.46

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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.