Home / 770,225.95-1,062,829.99-426,007.20

Finding the Fourth Proportional to 770,225.95, 1,062,829.99 and 426,007.20

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Solution

The fourth proportional to 770,225.95, 1,062,829.99 and 426,007.20 is: 587,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,225.95 : 1,062,829.99 = 426,007.20 : x
  2. Step 2: Convert to fraction form
    770,225.95/1,062,829.99 = 426,007.20/x
  3. Step 3: Cross multiply
    770,225.95x = 1,062,829.99 × 426,007.20
  4. Step 4: Simplify right side
    770,225.95x = 452,773,228,115.93
  5. Step 5: Solve for x
    x = 452,773,228,115.93/770,225.95
  6. Step 6: Final answer
    x = 587,844.68

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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.