Home / 1,030,521.42-1,546,043.76-320,554.80

Finding the Fourth Proportional to 1,030,521.42, 1,546,043.76 and 320,554.80

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Solution

The fourth proportional to 1,030,521.42, 1,546,043.76 and 320,554.80 is: 480,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,521.42 : 1,546,043.76 = 320,554.80 : x
  2. Step 2: Convert to fraction form
    1,030,521.42/1,546,043.76 = 320,554.80/x
  3. Step 3: Cross multiply
    1,030,521.42x = 1,546,043.76 × 320,554.80
  4. Step 4: Simplify right side
    1,030,521.42x = 495,591,748,278.05
  5. Step 5: Solve for x
    x = 495,591,748,278.05/1,030,521.42
  6. Step 6: Final answer
    x = 480,913.58

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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.