Home / 746,915.34-1,030,755.45-407,383.59

Finding the Fourth Proportional to 746,915.34, 1,030,755.45 and 407,383.59

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Solution

The fourth proportional to 746,915.34, 1,030,755.45 and 407,383.59 is: 562,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,915.34 : 1,030,755.45 = 407,383.59 : x
  2. Step 2: Convert to fraction form
    746,915.34/1,030,755.45 = 407,383.59/x
  3. Step 3: Cross multiply
    746,915.34x = 1,030,755.45 × 407,383.59
  4. Step 4: Simplify right side
    746,915.34x = 419,912,855,633.07
  5. Step 5: Solve for x
    x = 419,912,855,633.07/746,915.34
  6. Step 6: Final answer
    x = 562,196.05

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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.