Home / 662,977.40-994,466.10-289,729.40

Finding the Fourth Proportional to 662,977.40, 994,466.10 and 289,729.40

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Solution

The fourth proportional to 662,977.40, 994,466.10 and 289,729.40 is: 434,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,977.40 : 994,466.10 = 289,729.40 : x
  2. Step 2: Convert to fraction form
    662,977.40/994,466.10 = 289,729.40/x
  3. Step 3: Cross multiply
    662,977.40x = 994,466.10 × 289,729.40
  4. Step 4: Simplify right side
    662,977.40x = 288,126,066,473.34
  5. Step 5: Solve for x
    x = 288,126,066,473.34/662,977.40
  6. Step 6: Final answer
    x = 434,594.10

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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.