Home / 551,577.20-761,209.04-415,370.84

Finding the Fourth Proportional to 551,577.20, 761,209.04 and 415,370.84

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Solution

The fourth proportional to 551,577.20, 761,209.04 and 415,370.84 is: 573,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,577.20 : 761,209.04 = 415,370.84 : x
  2. Step 2: Convert to fraction form
    551,577.20/761,209.04 = 415,370.84/x
  3. Step 3: Cross multiply
    551,577.20x = 761,209.04 × 415,370.84
  4. Step 4: Simplify right side
    551,577.20x = 316,184,035,592.78
  5. Step 5: Solve for x
    x = 316,184,035,592.78/551,577.20
  6. Step 6: Final answer
    x = 573,236.24

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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.