Home / 658,946.96-909,322.32-357,134.48

Finding the Fourth Proportional to 658,946.96, 909,322.32 and 357,134.48

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Solution

The fourth proportional to 658,946.96, 909,322.32 and 357,134.48 is: 492,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,946.96 : 909,322.32 = 357,134.48 : x
  2. Step 2: Convert to fraction form
    658,946.96/909,322.32 = 357,134.48/x
  3. Step 3: Cross multiply
    658,946.96x = 909,322.32 × 357,134.48
  4. Step 4: Simplify right side
    658,946.96x = 324,750,353,905.59
  5. Step 5: Solve for x
    x = 324,750,353,905.59/658,946.96
  6. Step 6: Final answer
    x = 492,832.31

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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.