Home / 768,083.60-1,152,125.40-712,096.40

Finding the Fourth Proportional to 768,083.60, 1,152,125.40 and 712,096.40

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Solution

The fourth proportional to 768,083.60, 1,152,125.40 and 712,096.40 is: 1,068,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,083.60 : 1,152,125.40 = 712,096.40 : x
  2. Step 2: Convert to fraction form
    768,083.60/1,152,125.40 = 712,096.40/x
  3. Step 3: Cross multiply
    768,083.60x = 1,152,125.40 × 712,096.40
  4. Step 4: Simplify right side
    768,083.60x = 820,424,349,688.56
  5. Step 5: Solve for x
    x = 820,424,349,688.56/768,083.60
  6. Step 6: Final answer
    x = 1,068,144.60

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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.