Home / 521,742.60-719,670.24-358,320.24

Finding the Fourth Proportional to 521,742.60, 719,670.24 and 358,320.24

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Solution

The fourth proportional to 521,742.60, 719,670.24 and 358,320.24 is: 494,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,742.60 : 719,670.24 = 358,320.24 : x
  2. Step 2: Convert to fraction form
    521,742.60/719,670.24 = 358,320.24/x
  3. Step 3: Cross multiply
    521,742.60x = 719,670.24 × 358,320.24
  4. Step 4: Simplify right side
    521,742.60x = 257,872,413,117.66
  5. Step 5: Solve for x
    x = 257,872,413,117.66/521,742.60
  6. Step 6: Final answer
    x = 494,252.17

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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.