Home / 509,621.61-764,432.59-149,792.54

Finding the Fourth Proportional to 509,621.61, 764,432.59 and 149,792.54

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Solution

The fourth proportional to 509,621.61, 764,432.59 and 149,792.54 is: 224,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,621.61 : 764,432.59 = 149,792.54 : x
  2. Step 2: Convert to fraction form
    509,621.61/764,432.59 = 149,792.54/x
  3. Step 3: Cross multiply
    509,621.61x = 764,432.59 × 149,792.54
  4. Step 4: Simplify right side
    509,621.61x = 114,506,300,851.48
  5. Step 5: Solve for x
    x = 114,506,300,851.48/509,621.61
  6. Step 6: Final answer
    x = 224,688.86

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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.