Home / 839,489.42-1,158,536.46-472,082.18

Finding the Fourth Proportional to 839,489.42, 1,158,536.46 and 472,082.18

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Solution

The fourth proportional to 839,489.42, 1,158,536.46 and 472,082.18 is: 651,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,489.42 : 1,158,536.46 = 472,082.18 : x
  2. Step 2: Convert to fraction form
    839,489.42/1,158,536.46 = 472,082.18/x
  3. Step 3: Cross multiply
    839,489.42x = 1,158,536.46 × 472,082.18
  4. Step 4: Simplify right side
    839,489.42x = 546,924,417,646.28
  5. Step 5: Solve for x
    x = 546,924,417,646.28/839,489.42
  6. Step 6: Final answer
    x = 651,496.50

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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.