Home / 820,678.37-1,133,136.14-530,461.64

Finding the Fourth Proportional to 820,678.37, 1,133,136.14 and 530,461.64

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Solution

The fourth proportional to 820,678.37, 1,133,136.14 and 530,461.64 is: 732,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,678.37 : 1,133,136.14 = 530,461.64 : x
  2. Step 2: Convert to fraction form
    820,678.37/1,133,136.14 = 530,461.64/x
  3. Step 3: Cross multiply
    820,678.37x = 1,133,136.14 × 530,461.64
  4. Step 4: Simplify right side
    820,678.37x = 601,085,255,348.20
  5. Step 5: Solve for x
    x = 601,085,255,348.20/820,678.37
  6. Step 6: Final answer
    x = 732,424.88

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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.