Home / 855,404.04-1,180,720.49-493,070.08

Finding the Fourth Proportional to 855,404.04, 1,180,720.49 and 493,070.08

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Solution

The fourth proportional to 855,404.04, 1,180,720.49 and 493,070.08 is: 680,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,404.04 : 1,180,720.49 = 493,070.08 : x
  2. Step 2: Convert to fraction form
    855,404.04/1,180,720.49 = 493,070.08/x
  3. Step 3: Cross multiply
    855,404.04x = 1,180,720.49 × 493,070.08
  4. Step 4: Simplify right side
    855,404.04x = 582,177,946,461.94
  5. Step 5: Solve for x
    x = 582,177,946,461.94/855,404.04
  6. Step 6: Final answer
    x = 680,588.26

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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.