Home / 906,822.42-1,251,424.53-498,929.64

Finding the Fourth Proportional to 906,822.42, 1,251,424.53 and 498,929.64

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Solution

The fourth proportional to 906,822.42, 1,251,424.53 and 498,929.64 is: 688,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,822.42 : 1,251,424.53 = 498,929.64 : x
  2. Step 2: Convert to fraction form
    906,822.42/1,251,424.53 = 498,929.64/x
  3. Step 3: Cross multiply
    906,822.42x = 1,251,424.53 × 498,929.64
  4. Step 4: Simplify right side
    906,822.42x = 624,372,790,240.07
  5. Step 5: Solve for x
    x = 624,372,790,240.07/906,822.42
  6. Step 6: Final answer
    x = 688,528.18

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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.