Home / 730,122.66-1,007,572.77-407,846.34

Finding the Fourth Proportional to 730,122.66, 1,007,572.77 and 407,846.34

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Solution

The fourth proportional to 730,122.66, 1,007,572.77 and 407,846.34 is: 562,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,122.66 : 1,007,572.77 = 407,846.34 : x
  2. Step 2: Convert to fraction form
    730,122.66/1,007,572.77 = 407,846.34/x
  3. Step 3: Cross multiply
    730,122.66x = 1,007,572.77 × 407,846.34
  4. Step 4: Simplify right side
    730,122.66x = 410,934,866,528.16
  5. Step 5: Solve for x
    x = 410,934,866,528.16/730,122.66
  6. Step 6: Final answer
    x = 562,829.90

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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.