Home / 884,402.46-1,220,479.52-502,450.20

Finding the Fourth Proportional to 884,402.46, 1,220,479.52 and 502,450.20

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Solution

The fourth proportional to 884,402.46, 1,220,479.52 and 502,450.20 is: 693,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,402.46 : 1,220,479.52 = 502,450.20 : x
  2. Step 2: Convert to fraction form
    884,402.46/1,220,479.52 = 502,450.20/x
  3. Step 3: Cross multiply
    884,402.46x = 1,220,479.52 × 502,450.20
  4. Step 4: Simplify right side
    884,402.46x = 613,230,176,407.65
  5. Step 5: Solve for x
    x = 613,230,176,407.65/884,402.46
  6. Step 6: Final answer
    x = 693,383.62

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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.