Home / 739,835.11-1,109,096.56-360,543.70

Finding the Fourth Proportional to 739,835.11, 1,109,096.56 and 360,543.70

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Solution

The fourth proportional to 739,835.11, 1,109,096.56 and 360,543.70 is: 540,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,835.11 : 1,109,096.56 = 360,543.70 : x
  2. Step 2: Convert to fraction form
    739,835.11/1,109,096.56 = 360,543.70/x
  3. Step 3: Cross multiply
    739,835.11x = 1,109,096.56 × 360,543.70
  4. Step 4: Simplify right side
    739,835.11x = 399,877,777,399.67
  5. Step 5: Solve for x
    x = 399,877,777,399.67/739,835.11
  6. Step 6: Final answer
    x = 540,495.81

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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.