Home / 775,838.88-1,070,681.76-436,325.76

Finding the Fourth Proportional to 775,838.88, 1,070,681.76 and 436,325.76

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Solution

The fourth proportional to 775,838.88, 1,070,681.76 and 436,325.76 is: 602,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,838.88 : 1,070,681.76 = 436,325.76 : x
  2. Step 2: Convert to fraction form
    775,838.88/1,070,681.76 = 436,325.76/x
  3. Step 3: Cross multiply
    775,838.88x = 1,070,681.76 × 436,325.76
  4. Step 4: Simplify right side
    775,838.88x = 467,166,032,650.14
  5. Step 5: Solve for x
    x = 467,166,032,650.14/775,838.88
  6. Step 6: Final answer
    x = 602,143.11

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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.