Home / 840,422.46-1,159,775.52-458,441.04

Finding the Fourth Proportional to 840,422.46, 1,159,775.52 and 458,441.04

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Solution

The fourth proportional to 840,422.46, 1,159,775.52 and 458,441.04 is: 632,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,422.46 : 1,159,775.52 = 458,441.04 : x
  2. Step 2: Convert to fraction form
    840,422.46/1,159,775.52 = 458,441.04/x
  3. Step 3: Cross multiply
    840,422.46x = 1,159,775.52 × 458,441.04
  4. Step 4: Simplify right side
    840,422.46x = 531,688,695,555.34
  5. Step 5: Solve for x
    x = 531,688,695,555.34/840,422.46
  6. Step 6: Final answer
    x = 632,644.56

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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.