Home / 762,762.96-1,144,193.04-257,374.80

Finding the Fourth Proportional to 762,762.96, 1,144,193.04 and 257,374.80

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Solution

The fourth proportional to 762,762.96, 1,144,193.04 and 257,374.80 is: 386,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,762.96 : 1,144,193.04 = 257,374.80 : x
  2. Step 2: Convert to fraction form
    762,762.96/1,144,193.04 = 257,374.80/x
  3. Step 3: Cross multiply
    762,762.96x = 1,144,193.04 × 257,374.80
  4. Step 4: Simplify right side
    762,762.96x = 294,486,454,831.39
  5. Step 5: Solve for x
    x = 294,486,454,831.39/762,762.96
  6. Step 6: Final answer
    x = 386,078.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.