Home / 1,030,443.40-1,545,780.30-320,465.80

Finding the Fourth Proportional to 1,030,443.40, 1,545,780.30 and 320,465.80

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Solution

The fourth proportional to 1,030,443.40, 1,545,780.30 and 320,465.80 is: 480,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,443.40 : 1,545,780.30 = 320,465.80 : x
  2. Step 2: Convert to fraction form
    1,030,443.40/1,545,780.30 = 320,465.80/x
  3. Step 3: Cross multiply
    1,030,443.40x = 1,545,780.30 × 320,465.80
  4. Step 4: Simplify right side
    1,030,443.40x = 495,369,720,463.74
  5. Step 5: Solve for x
    x = 495,369,720,463.74/1,030,443.40
  6. Step 6: Final answer
    x = 480,734.53

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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.