Home / 730,190.27-1,007,657.79-407,897.54

Finding the Fourth Proportional to 730,190.27, 1,007,657.79 and 407,897.54

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Solution

The fourth proportional to 730,190.27, 1,007,657.79 and 407,897.54 is: 562,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,190.27 : 1,007,657.79 = 407,897.54 : x
  2. Step 2: Convert to fraction form
    730,190.27/1,007,657.79 = 407,897.54/x
  3. Step 3: Cross multiply
    730,190.27x = 1,007,657.79 × 407,897.54
  4. Step 4: Simplify right side
    730,190.27x = 411,021,133,702.84
  5. Step 5: Solve for x
    x = 411,021,133,702.84/730,190.27
  6. Step 6: Final answer
    x = 562,895.93

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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.