Home / 808,372.80-1,210,209.48-470,383.20

Finding the Fourth Proportional to 808,372.80, 1,210,209.48 and 470,383.20

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Solution

The fourth proportional to 808,372.80, 1,210,209.48 and 470,383.20 is: 704,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,372.80 : 1,210,209.48 = 470,383.20 : x
  2. Step 2: Convert to fraction form
    808,372.80/1,210,209.48 = 470,383.20/x
  3. Step 3: Cross multiply
    808,372.80x = 1,210,209.48 × 470,383.20
  4. Step 4: Simplify right side
    808,372.80x = 569,262,207,872.74
  5. Step 5: Solve for x
    x = 569,262,207,872.74/808,372.80
  6. Step 6: Final answer
    x = 704,207.52

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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.