Home / 855,130.79-1,180,080.59-467,946.30

Finding the Fourth Proportional to 855,130.79, 1,180,080.59 and 467,946.30

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Solution

The fourth proportional to 855,130.79, 1,180,080.59 and 467,946.30 is: 645,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,130.79 : 1,180,080.59 = 467,946.30 : x
  2. Step 2: Convert to fraction form
    855,130.79/1,180,080.59 = 467,946.30/x
  3. Step 3: Cross multiply
    855,130.79x = 1,180,080.59 × 467,946.30
  4. Step 4: Simplify right side
    855,130.79x = 552,214,341,773.94
  5. Step 5: Solve for x
    x = 552,214,341,773.94/855,130.79
  6. Step 6: Final answer
    x = 645,765.94

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Double scale
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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.