Home / 869,646.63-1,304,457.80-301,441.35

Finding the Fourth Proportional to 869,646.63, 1,304,457.80 and 301,441.35

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Solution

The fourth proportional to 869,646.63, 1,304,457.80 and 301,441.35 is: 452,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,646.63 : 1,304,457.80 = 301,441.35 : x
  2. Step 2: Convert to fraction form
    869,646.63/1,304,457.80 = 301,441.35/x
  3. Step 3: Cross multiply
    869,646.63x = 1,304,457.80 × 301,441.35
  4. Step 4: Simplify right side
    869,646.63x = 393,217,518,742.82
  5. Step 5: Solve for x
    x = 393,217,518,742.82/869,646.63
  6. Step 6: Final answer
    x = 452,157.81

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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.