Home / 692,507.20-1,038,501.60-243,054.40

Finding the Fourth Proportional to 692,507.20, 1,038,501.60 and 243,054.40

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Solution

The fourth proportional to 692,507.20, 1,038,501.60 and 243,054.40 is: 364,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,507.20 : 1,038,501.60 = 243,054.40 : x
  2. Step 2: Convert to fraction form
    692,507.20/1,038,501.60 = 243,054.40/x
  3. Step 3: Cross multiply
    692,507.20x = 1,038,501.60 × 243,054.40
  4. Step 4: Simplify right side
    692,507.20x = 252,412,383,287.04
  5. Step 5: Solve for x
    x = 252,412,383,287.04/692,507.20
  6. Step 6: Final answer
    x = 364,490.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.