Home / 689,312.22-950,196.62-484,805.86

Finding the Fourth Proportional to 689,312.22, 950,196.62 and 484,805.86

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Solution

The fourth proportional to 689,312.22, 950,196.62 and 484,805.86 is: 668,290.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,312.22 : 950,196.62 = 484,805.86 : x
  2. Step 2: Convert to fraction form
    689,312.22/950,196.62 = 484,805.86/x
  3. Step 3: Cross multiply
    689,312.22x = 950,196.62 × 484,805.86
  4. Step 4: Simplify right side
    689,312.22x = 460,660,889,528.19
  5. Step 5: Solve for x
    x = 460,660,889,528.19/689,312.22
  6. Step 6: Final answer
    x = 668,290.62

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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.