Home / 724,662.32-1,000,422.26-558,727.88

Finding the Fourth Proportional to 724,662.32, 1,000,422.26 and 558,727.88

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Solution

The fourth proportional to 724,662.32, 1,000,422.26 and 558,727.88 is: 771,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,662.32 : 1,000,422.26 = 558,727.88 : x
  2. Step 2: Convert to fraction form
    724,662.32/1,000,422.26 = 558,727.88/x
  3. Step 3: Cross multiply
    724,662.32x = 1,000,422.26 × 558,727.88
  4. Step 4: Simplify right side
    724,662.32x = 558,963,802,569.51
  5. Step 5: Solve for x
    x = 558,963,802,569.51/724,662.32
  6. Step 6: Final answer
    x = 771,343.82

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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.