Home / 855,140.62-1,180,094.16-467,956.12

Finding the Fourth Proportional to 855,140.62, 1,180,094.16 and 467,956.12

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Solution

The fourth proportional to 855,140.62, 1,180,094.16 and 467,956.12 is: 645,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,140.62 : 1,180,094.16 = 467,956.12 : x
  2. Step 2: Convert to fraction form
    855,140.62/1,180,094.16 = 467,956.12/x
  3. Step 3: Cross multiply
    855,140.62x = 1,180,094.16 × 467,956.12
  4. Step 4: Simplify right side
    855,140.62x = 552,232,284,348.26
  5. Step 5: Solve for x
    x = 552,232,284,348.26/855,140.62
  6. Step 6: Final answer
    x = 645,779.50

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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.