Home / 770,211.25-1,062,809.71-425,992.50

Finding the Fourth Proportional to 770,211.25, 1,062,809.71 and 425,992.50

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Solution

The fourth proportional to 770,211.25, 1,062,809.71 and 425,992.50 is: 587,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,211.25 : 1,062,809.71 = 425,992.50 : x
  2. Step 2: Convert to fraction form
    770,211.25/1,062,809.71 = 425,992.50/x
  3. Step 3: Cross multiply
    770,211.25x = 1,062,809.71 × 425,992.50
  4. Step 4: Simplify right side
    770,211.25x = 452,748,964,322.19
  5. Step 5: Solve for x
    x = 452,748,964,322.19/770,211.25
  6. Step 6: Final answer
    x = 587,824.40

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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.