Home / 912,704.40-1,369,056.60-558,118.80

Finding the Fourth Proportional to 912,704.40, 1,369,056.60 and 558,118.80

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Solution

The fourth proportional to 912,704.40, 1,369,056.60 and 558,118.80 is: 837,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,704.40 : 1,369,056.60 = 558,118.80 : x
  2. Step 2: Convert to fraction form
    912,704.40/1,369,056.60 = 558,118.80/x
  3. Step 3: Cross multiply
    912,704.40x = 1,369,056.60 × 558,118.80
  4. Step 4: Simplify right side
    912,704.40x = 764,096,226,724.08
  5. Step 5: Solve for x
    x = 764,096,226,724.08/912,704.40
  6. Step 6: Final answer
    x = 837,178.20

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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.