Home / 730,715.70-1,095,954.02-257,289.78

Finding the Fourth Proportional to 730,715.70, 1,095,954.02 and 257,289.78

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Solution

The fourth proportional to 730,715.70, 1,095,954.02 and 257,289.78 is: 385,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,715.70 : 1,095,954.02 = 257,289.78 : x
  2. Step 2: Convert to fraction form
    730,715.70/1,095,954.02 = 257,289.78/x
  3. Step 3: Cross multiply
    730,715.70x = 1,095,954.02 × 257,289.78
  4. Step 4: Simplify right side
    730,715.70x = 281,977,768,695.92
  5. Step 5: Solve for x
    x = 281,977,768,695.92/730,715.70
  6. Step 6: Final answer
    x = 385,892.58

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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.