Home / 983,311.50-1,357,158.34-553,591.67

Finding the Fourth Proportional to 983,311.50, 1,357,158.34 and 553,591.67

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Solution

The fourth proportional to 983,311.50, 1,357,158.34 and 553,591.67 is: 764,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,311.50 : 1,357,158.34 = 553,591.67 : x
  2. Step 2: Convert to fraction form
    983,311.50/1,357,158.34 = 553,591.67/x
  3. Step 3: Cross multiply
    983,311.50x = 1,357,158.34 × 553,591.67
  4. Step 4: Simplify right side
    983,311.50x = 751,311,545,801.23
  5. Step 5: Solve for x
    x = 751,311,545,801.23/983,311.50
  6. Step 6: Final answer
    x = 764,062.61

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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.