Home / 730,533.61-1,008,102.59-408,240.89

Finding the Fourth Proportional to 730,533.61, 1,008,102.59 and 408,240.89

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Solution

The fourth proportional to 730,533.61, 1,008,102.59 and 408,240.89 is: 563,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,533.61 : 1,008,102.59 = 408,240.89 : x
  2. Step 2: Convert to fraction form
    730,533.61/1,008,102.59 = 408,240.89/x
  3. Step 3: Cross multiply
    730,533.61x = 1,008,102.59 × 408,240.89
  4. Step 4: Simplify right side
    730,533.61x = 411,548,699,078.83
  5. Step 5: Solve for x
    x = 411,548,699,078.83/730,533.61
  6. Step 6: Final answer
    x = 563,353.54

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Double scale
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Similar ratio
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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.