Home / 521,328.38-719,444.09-294,973.88

Finding the Fourth Proportional to 521,328.38, 719,444.09 and 294,973.88

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Solution

The fourth proportional to 521,328.38, 719,444.09 and 294,973.88 is: 407,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,328.38 : 719,444.09 = 294,973.88 : x
  2. Step 2: Convert to fraction form
    521,328.38/719,444.09 = 294,973.88/x
  3. Step 3: Cross multiply
    521,328.38x = 719,444.09 × 294,973.88
  4. Step 4: Simplify right side
    521,328.38x = 212,217,211,810.58
  5. Step 5: Solve for x
    x = 212,217,211,810.58/521,328.38
  6. Step 6: Final answer
    x = 407,070.13

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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.