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Finding the Fourth Proportional to 575,263.86, 793,864.92 and 345,823.68

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Solution

The fourth proportional to 575,263.86, 793,864.92 and 345,823.68 is: 477,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,263.86 : 793,864.92 = 345,823.68 : x
  2. Step 2: Convert to fraction form
    575,263.86/793,864.92 = 345,823.68/x
  3. Step 3: Cross multiply
    575,263.86x = 793,864.92 × 345,823.68
  4. Step 4: Simplify right side
    575,263.86x = 274,537,288,057.31
  5. Step 5: Solve for x
    x = 274,537,288,057.31/575,263.86
  6. Step 6: Final answer
    x = 477,237.16

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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.