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Finding the Fourth Proportional to 615,827.50, 849,792.97 and 343,879.16

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Solution

The fourth proportional to 615,827.50, 849,792.97 and 343,879.16 is: 474,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,827.50 : 849,792.97 = 343,879.16 : x
  2. Step 2: Convert to fraction form
    615,827.50/849,792.97 = 343,879.16/x
  3. Step 3: Cross multiply
    615,827.50x = 849,792.97 × 343,879.16
  4. Step 4: Simplify right side
    615,827.50x = 292,226,092,697.51
  5. Step 5: Solve for x
    x = 292,226,092,697.51/615,827.50
  6. Step 6: Final answer
    x = 474,525.89

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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.