Home / 688,895.46-1,033,113.12-289,461.78

Finding the Fourth Proportional to 688,895.46, 1,033,113.12 and 289,461.78

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Solution

The fourth proportional to 688,895.46, 1,033,113.12 and 289,461.78 is: 434,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,895.46 : 1,033,113.12 = 289,461.78 : x
  2. Step 2: Convert to fraction form
    688,895.46/1,033,113.12 = 289,461.78/x
  3. Step 3: Cross multiply
    688,895.46x = 1,033,113.12 × 289,461.78
  4. Step 4: Simplify right side
    688,895.46x = 299,046,762,656.55
  5. Step 5: Solve for x
    x = 299,046,762,656.55/688,895.46
  6. Step 6: Final answer
    x = 434,096.00

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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.