Home / 910,476.30-1,365,584.85-311,465.10

Finding the Fourth Proportional to 910,476.30, 1,365,584.85 and 311,465.10

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Solution

The fourth proportional to 910,476.30, 1,365,584.85 and 311,465.10 is: 467,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,476.30 : 1,365,584.85 = 311,465.10 : x
  2. Step 2: Convert to fraction form
    910,476.30/1,365,584.85 = 311,465.10/x
  3. Step 3: Cross multiply
    910,476.30x = 1,365,584.85 × 311,465.10
  4. Step 4: Simplify right side
    910,476.30x = 425,332,021,863.74
  5. Step 5: Solve for x
    x = 425,332,021,863.74/910,476.30
  6. Step 6: Final answer
    x = 467,153.32

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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.