Home / 730,220.64-1,092,666.54-430,844.64

Finding the Fourth Proportional to 730,220.64, 1,092,666.54 and 430,844.64

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Solution

The fourth proportional to 730,220.64, 1,092,666.54 and 430,844.64 is: 644,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,220.64 : 1,092,666.54 = 430,844.64 : x
  2. Step 2: Convert to fraction form
    730,220.64/1,092,666.54 = 430,844.64/x
  3. Step 3: Cross multiply
    730,220.64x = 1,092,666.54 × 430,844.64
  4. Step 4: Simplify right side
    730,220.64x = 470,769,522,066.35
  5. Step 5: Solve for x
    x = 470,769,522,066.35/730,220.64
  6. Step 6: Final answer
    x = 644,694.90

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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.