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Finding the Fourth Proportional to 575,409.94, 794,159.25 and 346,198.90

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Solution

The fourth proportional to 575,409.94, 794,159.25 and 346,198.90 is: 477,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,409.94 : 794,159.25 = 346,198.90 : x
  2. Step 2: Convert to fraction form
    575,409.94/794,159.25 = 346,198.90/x
  3. Step 3: Cross multiply
    575,409.94x = 794,159.25 × 346,198.90
  4. Step 4: Simplify right side
    575,409.94x = 274,937,058,774.83
  5. Step 5: Solve for x
    x = 274,937,058,774.83/575,409.94
  6. Step 6: Final answer
    x = 477,810.76

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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.