Home / 659,384.20-989,076.30-434,852.20

Finding the Fourth Proportional to 659,384.20, 989,076.30 and 434,852.20

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Solution

The fourth proportional to 659,384.20, 989,076.30 and 434,852.20 is: 652,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,384.20 : 989,076.30 = 434,852.20 : x
  2. Step 2: Convert to fraction form
    659,384.20/989,076.30 = 434,852.20/x
  3. Step 3: Cross multiply
    659,384.20x = 989,076.30 × 434,852.20
  4. Step 4: Simplify right side
    659,384.20x = 430,102,005,022.86
  5. Step 5: Solve for x
    x = 430,102,005,022.86/659,384.20
  6. Step 6: Final answer
    x = 652,278.30

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Similar ratio
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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.