Home / 652,823.82-979,231.05-459,904.32

Finding the Fourth Proportional to 652,823.82, 979,231.05 and 459,904.32

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Solution

The fourth proportional to 652,823.82, 979,231.05 and 459,904.32 is: 689,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,823.82 : 979,231.05 = 459,904.32 : x
  2. Step 2: Convert to fraction form
    652,823.82/979,231.05 = 459,904.32/x
  3. Step 3: Cross multiply
    652,823.82x = 979,231.05 × 459,904.32
  4. Step 4: Simplify right side
    652,823.82x = 450,352,590,173.14
  5. Step 5: Solve for x
    x = 450,352,590,173.14/652,823.82
  6. Step 6: Final answer
    x = 689,853.18

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1.5x scale

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.