Home / 670,845.48-925,766.76-384,531.64

Finding the Fourth Proportional to 670,845.48, 925,766.76 and 384,531.64

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Solution

The fourth proportional to 670,845.48, 925,766.76 and 384,531.64 is: 530,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,845.48 : 925,766.76 = 384,531.64 : x
  2. Step 2: Convert to fraction form
    670,845.48/925,766.76 = 384,531.64/x
  3. Step 3: Cross multiply
    670,845.48x = 925,766.76 × 384,531.64
  4. Step 4: Simplify right side
    670,845.48x = 355,986,610,480.29
  5. Step 5: Solve for x
    x = 355,986,610,480.29/670,845.48
  6. Step 6: Final answer
    x = 530,653.66

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Double scale
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Similar ratio
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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.