Home / 840,282.62-1,159,603.84-458,309.40

Finding the Fourth Proportional to 840,282.62, 1,159,603.84 and 458,309.40

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Solution

The fourth proportional to 840,282.62, 1,159,603.84 and 458,309.40 is: 632,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,282.62 : 1,159,603.84 = 458,309.40 : x
  2. Step 2: Convert to fraction form
    840,282.62/1,159,603.84 = 458,309.40/x
  3. Step 3: Cross multiply
    840,282.62x = 1,159,603.84 × 458,309.40
  4. Step 4: Simplify right side
    840,282.62x = 531,457,340,148.10
  5. Step 5: Solve for x
    x = 531,457,340,148.10/840,282.62
  6. Step 6: Final answer
    x = 632,474.51

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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.