Home / 840,318.74-1,159,596.56-458,271.71

Finding the Fourth Proportional to 840,318.74, 1,159,596.56 and 458,271.71

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Solution

The fourth proportional to 840,318.74, 1,159,596.56 and 458,271.71 is: 632,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,318.74 : 1,159,596.56 = 458,271.71 : x
  2. Step 2: Convert to fraction form
    840,318.74/1,159,596.56 = 458,271.71/x
  3. Step 3: Cross multiply
    840,318.74x = 1,159,596.56 × 458,271.71
  4. Step 4: Simplify right side
    840,318.74x = 531,410,295,579.72
  5. Step 5: Solve for x
    x = 531,410,295,579.72/840,318.74
  6. Step 6: Final answer
    x = 632,391.34

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1.5x scale

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.