Home / 960,081.12-1,324,961.28-530,357.76

Finding the Fourth Proportional to 960,081.12, 1,324,961.28 and 530,357.76

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Solution

The fourth proportional to 960,081.12, 1,324,961.28 and 530,357.76 is: 731,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,081.12 : 1,324,961.28 = 530,357.76 : x
  2. Step 2: Convert to fraction form
    960,081.12/1,324,961.28 = 530,357.76/x
  3. Step 3: Cross multiply
    960,081.12x = 1,324,961.28 × 530,357.76
  4. Step 4: Simplify right side
    960,081.12x = 702,703,496,547.53
  5. Step 5: Solve for x
    x = 702,703,496,547.53/960,081.12
  6. Step 6: Final answer
    x = 731,920.96

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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.