Home / 660,082.64-911,657.04-446,106.56

Finding the Fourth Proportional to 660,082.64, 911,657.04 and 446,106.56

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Solution

The fourth proportional to 660,082.64, 911,657.04 and 446,106.56 is: 616,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,082.64 : 911,657.04 = 446,106.56 : x
  2. Step 2: Convert to fraction form
    660,082.64/911,657.04 = 446,106.56/x
  3. Step 3: Cross multiply
    660,082.64x = 911,657.04 × 446,106.56
  4. Step 4: Simplify right side
    660,082.64x = 406,696,186,014.18
  5. Step 5: Solve for x
    x = 406,696,186,014.18/660,082.64
  6. Step 6: Final answer
    x = 616,129.20

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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.