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Finding the Fourth Proportional to 592,564.40, 889,344.34 and 255,859.55

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Solution

The fourth proportional to 592,564.40, 889,344.34 and 255,859.55 is: 384,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,564.40 : 889,344.34 = 255,859.55 : x
  2. Step 2: Convert to fraction form
    592,564.40/889,344.34 = 255,859.55/x
  3. Step 3: Cross multiply
    592,564.40x = 889,344.34 × 255,859.55
  4. Step 4: Simplify right side
    592,564.40x = 227,547,237,541.08
  5. Step 5: Solve for x
    x = 227,547,237,541.08/592,564.40
  6. Step 6: Final answer
    x = 384,004.24

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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.