Home / 858,603.40-1,286,868.30-437,662.60

Finding the Fourth Proportional to 858,603.40, 1,286,868.30 and 437,662.60

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Solution

The fourth proportional to 858,603.40, 1,286,868.30 and 437,662.60 is: 655,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,603.40 : 1,286,868.30 = 437,662.60 : x
  2. Step 2: Convert to fraction form
    858,603.40/1,286,868.30 = 437,662.60/x
  3. Step 3: Cross multiply
    858,603.40x = 1,286,868.30 × 437,662.60
  4. Step 4: Simplify right side
    858,603.40x = 563,214,126,035.58
  5. Step 5: Solve for x
    x = 563,214,126,035.58/858,603.40
  6. Step 6: Final answer
    x = 655,965.40

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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.