Home / 753,475.58-1,039,807.29-409,317.98

Finding the Fourth Proportional to 753,475.58, 1,039,807.29 and 409,317.98

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Solution

The fourth proportional to 753,475.58, 1,039,807.29 and 409,317.98 is: 564,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,475.58 : 1,039,807.29 = 409,317.98 : x
  2. Step 2: Convert to fraction form
    753,475.58/1,039,807.29 = 409,317.98/x
  3. Step 3: Cross multiply
    753,475.58x = 1,039,807.29 × 409,317.98
  4. Step 4: Simplify right side
    753,475.58x = 425,611,819,532.07
  5. Step 5: Solve for x
    x = 425,611,819,532.07/753,475.58
  6. Step 6: Final answer
    x = 564,864.78

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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.