Home / 945,312.50-1,304,546.79-515,592.62

Finding the Fourth Proportional to 945,312.50, 1,304,546.79 and 515,592.62

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Solution

The fourth proportional to 945,312.50, 1,304,546.79 and 515,592.62 is: 711,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,312.50 : 1,304,546.79 = 515,592.62 : x
  2. Step 2: Convert to fraction form
    945,312.50/1,304,546.79 = 515,592.62/x
  3. Step 3: Cross multiply
    945,312.50x = 1,304,546.79 × 515,592.62
  4. Step 4: Simplify right side
    945,312.50x = 672,614,702,563.53
  5. Step 5: Solve for x
    x = 672,614,702,563.53/945,312.50
  6. Step 6: Final answer
    x = 711,526.30

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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.