Home / 678,000.05-1,017,000.08-601,892.45

Finding the Fourth Proportional to 678,000.05, 1,017,000.08 and 601,892.45

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Solution

The fourth proportional to 678,000.05, 1,017,000.08 and 601,892.45 is: 902,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,000.05 : 1,017,000.08 = 601,892.45 : x
  2. Step 2: Convert to fraction form
    678,000.05/1,017,000.08 = 601,892.45/x
  3. Step 3: Cross multiply
    678,000.05x = 1,017,000.08 × 601,892.45
  4. Step 4: Simplify right side
    678,000.05x = 612,124,666,791.93
  5. Step 5: Solve for x
    x = 612,124,666,791.93/678,000.05
  6. Step 6: Final answer
    x = 902,838.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.