Home / 840,284.74-1,159,592.25-458,310.34

Finding the Fourth Proportional to 840,284.74, 1,159,592.25 and 458,310.34

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Solution

The fourth proportional to 840,284.74, 1,159,592.25 and 458,310.34 is: 632,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,284.74 : 1,159,592.25 = 458,310.34 : x
  2. Step 2: Convert to fraction form
    840,284.74/1,159,592.25 = 458,310.34/x
  3. Step 3: Cross multiply
    840,284.74x = 1,159,592.25 × 458,310.34
  4. Step 4: Simplify right side
    840,284.74x = 531,453,118,358.87
  5. Step 5: Solve for x
    x = 531,453,118,358.87/840,284.74
  6. Step 6: Final answer
    x = 632,467.89

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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.