Home / 705,913.40-1,058,870.10-284,972.60

Finding the Fourth Proportional to 705,913.40, 1,058,870.10 and 284,972.60

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Solution

The fourth proportional to 705,913.40, 1,058,870.10 and 284,972.60 is: 427,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,913.40 : 1,058,870.10 = 284,972.60 : x
  2. Step 2: Convert to fraction form
    705,913.40/1,058,870.10 = 284,972.60/x
  3. Step 3: Cross multiply
    705,913.40x = 1,058,870.10 × 284,972.60
  4. Step 4: Simplify right side
    705,913.40x = 301,748,965,459.26
  5. Step 5: Solve for x
    x = 301,748,965,459.26/705,913.40
  6. Step 6: Final answer
    x = 427,458.90

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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.