Home / 730,710.70-1,095,946.53-257,284.78

Finding the Fourth Proportional to 730,710.70, 1,095,946.53 and 257,284.78

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Solution

The fourth proportional to 730,710.70, 1,095,946.53 and 257,284.78 is: 385,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,710.70 : 1,095,946.53 = 257,284.78 : x
  2. Step 2: Convert to fraction form
    730,710.70/1,095,946.53 = 257,284.78/x
  3. Step 3: Cross multiply
    730,710.70x = 1,095,946.53 × 257,284.78
  4. Step 4: Simplify right side
    730,710.70x = 281,970,361,862.81
  5. Step 5: Solve for x
    x = 281,970,361,862.81/730,710.70
  6. Step 6: Final answer
    x = 385,885.09

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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.