Home / 873,071.26-1,204,829.58-485,880.20

Finding the Fourth Proportional to 873,071.26, 1,204,829.58 and 485,880.20

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Solution

The fourth proportional to 873,071.26, 1,204,829.58 and 485,880.20 is: 670,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,071.26 : 1,204,829.58 = 485,880.20 : x
  2. Step 2: Convert to fraction form
    873,071.26/1,204,829.58 = 485,880.20/x
  3. Step 3: Cross multiply
    873,071.26x = 1,204,829.58 × 485,880.20
  4. Step 4: Simplify right side
    873,071.26x = 585,402,837,296.32
  5. Step 5: Solve for x
    x = 585,402,837,296.32/873,071.26
  6. Step 6: Final answer
    x = 670,509.80

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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.