Home / 665,230.32-917,931.96-374,848.56

Finding the Fourth Proportional to 665,230.32, 917,931.96 and 374,848.56

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Solution

The fourth proportional to 665,230.32, 917,931.96 and 374,848.56 is: 517,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,230.32 : 917,931.96 = 374,848.56 : x
  2. Step 2: Convert to fraction form
    665,230.32/917,931.96 = 374,848.56/x
  3. Step 3: Cross multiply
    665,230.32x = 917,931.96 × 374,848.56
  4. Step 4: Simplify right side
    665,230.32x = 344,085,473,383.98
  5. Step 5: Solve for x
    x = 344,085,473,383.98/665,230.32
  6. Step 6: Final answer
    x = 517,242.62

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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.