Home / 910,887.09-1,364,835.12-311,521.25

Finding the Fourth Proportional to 910,887.09, 1,364,835.12 and 311,521.25

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Solution

The fourth proportional to 910,887.09, 1,364,835.12 and 311,521.25 is: 466,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,887.09 : 1,364,835.12 = 311,521.25 : x
  2. Step 2: Convert to fraction form
    910,887.09/1,364,835.12 = 311,521.25/x
  3. Step 3: Cross multiply
    910,887.09x = 1,364,835.12 × 311,521.25
  4. Step 4: Simplify right side
    910,887.09x = 425,175,135,802.12
  5. Step 5: Solve for x
    x = 425,175,135,802.12/910,887.09
  6. Step 6: Final answer
    x = 466,770.40

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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.