Home / 770,849.55-1,063,645.48-484,165.44

Finding the Fourth Proportional to 770,849.55, 1,063,645.48 and 484,165.44

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Solution

The fourth proportional to 770,849.55, 1,063,645.48 and 484,165.44 is: 668,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,849.55 : 1,063,645.48 = 484,165.44 : x
  2. Step 2: Convert to fraction form
    770,849.55/1,063,645.48 = 484,165.44/x
  3. Step 3: Cross multiply
    770,849.55x = 1,063,645.48 × 484,165.44
  4. Step 4: Simplify right side
    770,849.55x = 514,980,374,089.16
  5. Step 5: Solve for x
    x = 514,980,374,089.16/770,849.55
  6. Step 6: Final answer
    x = 668,068.60

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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.