Home / 770,206.22-1,062,802.80-425,987.45

Finding the Fourth Proportional to 770,206.22, 1,062,802.80 and 425,987.45

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Solution

The fourth proportional to 770,206.22, 1,062,802.80 and 425,987.45 is: 587,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,206.22 : 1,062,802.80 = 425,987.45 : x
  2. Step 2: Convert to fraction form
    770,206.22/1,062,802.80 = 425,987.45/x
  3. Step 3: Cross multiply
    770,206.22x = 1,062,802.80 × 425,987.45
  4. Step 4: Simplify right side
    770,206.22x = 452,740,654,624.86
  5. Step 5: Solve for x
    x = 452,740,654,624.86/770,206.22
  6. Step 6: Final answer
    x = 587,817.45

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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.