Home / 802,415.42-1,107,346.65-434,904.30

Finding the Fourth Proportional to 802,415.42, 1,107,346.65 and 434,904.30

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Solution

The fourth proportional to 802,415.42, 1,107,346.65 and 434,904.30 is: 600,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,415.42 : 1,107,346.65 = 434,904.30 : x
  2. Step 2: Convert to fraction form
    802,415.42/1,107,346.65 = 434,904.30/x
  3. Step 3: Cross multiply
    802,415.42x = 1,107,346.65 × 434,904.30
  4. Step 4: Simplify right side
    802,415.42x = 481,589,819,675.60
  5. Step 5: Solve for x
    x = 481,589,819,675.60/802,415.42
  6. Step 6: Final answer
    x = 600,175.18

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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.