Home / 735,611.10-1,015,223.67-449,130.30

Finding the Fourth Proportional to 735,611.10, 1,015,223.67 and 449,130.30

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Solution

The fourth proportional to 735,611.10, 1,015,223.67 and 449,130.30 is: 619,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,611.10 : 1,015,223.67 = 449,130.30 : x
  2. Step 2: Convert to fraction form
    735,611.10/1,015,223.67 = 449,130.30/x
  3. Step 3: Cross multiply
    735,611.10x = 1,015,223.67 × 449,130.30
  4. Step 4: Simplify right side
    735,611.10x = 455,967,711,474.20
  5. Step 5: Solve for x
    x = 455,967,711,474.20/735,611.10
  6. Step 6: Final answer
    x = 619,848.87

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.