Home / 802,348.90-1,107,250.23-439,764.82

Finding the Fourth Proportional to 802,348.90, 1,107,250.23 and 439,764.82

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Solution

The fourth proportional to 802,348.90, 1,107,250.23 and 439,764.82 is: 606,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,348.90 : 1,107,250.23 = 439,764.82 : x
  2. Step 2: Convert to fraction form
    802,348.90/1,107,250.23 = 439,764.82/x
  3. Step 3: Cross multiply
    802,348.90x = 1,107,250.23 × 439,764.82
  4. Step 4: Simplify right side
    802,348.90x = 486,929,698,090.91
  5. Step 5: Solve for x
    x = 486,929,698,090.91/802,348.90
  6. Step 6: Final answer
    x = 606,880.25

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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.