Home / 808,886.20-1,214,250.90-476,649.40

Finding the Fourth Proportional to 808,886.20, 1,214,250.90 and 476,649.40

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Solution

The fourth proportional to 808,886.20, 1,214,250.90 and 476,649.40 is: 715,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,886.20 : 1,214,250.90 = 476,649.40 : x
  2. Step 2: Convert to fraction form
    808,886.20/1,214,250.90 = 476,649.40/x
  3. Step 3: Cross multiply
    808,886.20x = 1,214,250.90 × 476,649.40
  4. Step 4: Simplify right side
    808,886.20x = 578,771,962,934.46
  5. Step 5: Solve for x
    x = 578,771,962,934.46/808,886.20
  6. Step 6: Final answer
    x = 715,517.17

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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.