Home / 730,000.79-1,007,301.56-407,669.79

Finding the Fourth Proportional to 730,000.79, 1,007,301.56 and 407,669.79

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Solution

The fourth proportional to 730,000.79, 1,007,301.56 and 407,669.79 is: 562,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,000.79 : 1,007,301.56 = 407,669.79 : x
  2. Step 2: Convert to fraction form
    730,000.79/1,007,301.56 = 407,669.79/x
  3. Step 3: Cross multiply
    730,000.79x = 1,007,301.56 × 407,669.79
  4. Step 4: Simplify right side
    730,000.79x = 410,646,413,393.52
  5. Step 5: Solve for x
    x = 410,646,413,393.52/730,000.79
  6. Step 6: Final answer
    x = 562,528.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.