Home / 746,984.26-1,030,841.54-407,459.80

Finding the Fourth Proportional to 746,984.26, 1,030,841.54 and 407,459.80

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Solution

The fourth proportional to 746,984.26, 1,030,841.54 and 407,459.80 is: 562,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,984.26 : 1,030,841.54 = 407,459.80 : x
  2. Step 2: Convert to fraction form
    746,984.26/1,030,841.54 = 407,459.80/x
  3. Step 3: Cross multiply
    746,984.26x = 1,030,841.54 × 407,459.80
  4. Step 4: Simplify right side
    746,984.26x = 420,026,488,499.32
  5. Step 5: Solve for x
    x = 420,026,488,499.32/746,984.26
  6. Step 6: Final answer
    x = 562,296.30

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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.