Home / 712,521.84-1,068,826.68-313,350.60

Finding the Fourth Proportional to 712,521.84, 1,068,826.68 and 313,350.60

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Solution

The fourth proportional to 712,521.84, 1,068,826.68 and 313,350.60 is: 470,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,521.84 : 1,068,826.68 = 313,350.60 : x
  2. Step 2: Convert to fraction form
    712,521.84/1,068,826.68 = 313,350.60/x
  3. Step 3: Cross multiply
    712,521.84x = 1,068,826.68 × 313,350.60
  4. Step 4: Simplify right side
    712,521.84x = 334,917,481,474.01
  5. Step 5: Solve for x
    x = 334,917,481,474.01/712,521.84
  6. Step 6: Final answer
    x = 470,045.21

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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.