Home / 912,360.53-1,367,588.63-407,157.86

Finding the Fourth Proportional to 912,360.53, 1,367,588.63 and 407,157.86

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Solution

The fourth proportional to 912,360.53, 1,367,588.63 and 407,157.86 is: 610,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,360.53 : 1,367,588.63 = 407,157.86 : x
  2. Step 2: Convert to fraction form
    912,360.53/1,367,588.63 = 407,157.86/x
  3. Step 3: Cross multiply
    912,360.53x = 1,367,588.63 × 407,157.86
  4. Step 4: Simplify right side
    912,360.53x = 556,824,454,131.08
  5. Step 5: Solve for x
    x = 556,824,454,131.08/912,360.53
  6. Step 6: Final answer
    x = 610,311.87

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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.