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Finding the Fourth Proportional to 501,800.54, 692,495.06 and 284,009.21

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Solution

The fourth proportional to 501,800.54, 692,495.06 and 284,009.21 is: 391,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,800.54 : 692,495.06 = 284,009.21 : x
  2. Step 2: Convert to fraction form
    501,800.54/692,495.06 = 284,009.21/x
  3. Step 3: Cross multiply
    501,800.54x = 692,495.06 × 284,009.21
  4. Step 4: Simplify right side
    501,800.54x = 196,674,975,779.64
  5. Step 5: Solve for x
    x = 196,674,975,779.64/501,800.54
  6. Step 6: Final answer
    x = 391,938.55

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1.5x scale

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.