Home / 730,389.60-1,095,747.60-257,090.40

Finding the Fourth Proportional to 730,389.60, 1,095,747.60 and 257,090.40

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Solution

The fourth proportional to 730,389.60, 1,095,747.60 and 257,090.40 is: 385,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,389.60 : 1,095,747.60 = 257,090.40 : x
  2. Step 2: Convert to fraction form
    730,389.60/1,095,747.60 = 257,090.40/x
  3. Step 3: Cross multiply
    730,389.60x = 1,095,747.60 × 257,090.40
  4. Step 4: Simplify right side
    730,389.60x = 281,706,188,783.04
  5. Step 5: Solve for x
    x = 281,706,188,783.04/730,389.60
  6. Step 6: Final answer
    x = 385,693.04

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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.