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Finding the Fourth Proportional to 593,988.07, 891,424.95 and 239,005.12

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Solution

The fourth proportional to 593,988.07, 891,424.95 and 239,005.12 is: 358,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,988.07 : 891,424.95 = 239,005.12 : x
  2. Step 2: Convert to fraction form
    593,988.07/891,424.95 = 239,005.12/x
  3. Step 3: Cross multiply
    593,988.07x = 891,424.95 × 239,005.12
  4. Step 4: Simplify right side
    593,988.07x = 213,055,127,145.74
  5. Step 5: Solve for x
    x = 213,055,127,145.74/593,988.07
  6. Step 6: Final answer
    x = 358,685.87

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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.